Astronomy Quizzes

7/18/2019 Astronomy Quizzes

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Question 1 (1569564):One Light Year (LY) is equivalent to about how many ilometers!"y#e:$ulti#le %hoi&e 'oints aware:* + 1* Your ,nswer(s): 9*45-115

%orre&t answer(s):1*6-1.16

9*45-115

9*45-11/

about 6 trillion

Question / (1569556):0ow many meters are there in one ilometer! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): 1%orre&t answer(s):*6/*111*61

Question 2 (1569566):"he gala-y $21 in ,nromea is about /*5-16 LY away* 0owlong oes it tae 3or light leaving $21 to rea&h us! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): /*5 million years

%orre&t answer(s): 4*-1. years/*5 million years1 year instantly

Question 4 (1569562):0ow 3ast oes light travel through s#a&e! "y#e:$ulti#le %hoi&e'oints aware:* + 1* Your ,nswer(s): 2 ilometers #er se&on%orre&t answer(s): 2-1 meters #er se&on1 LY #er year 2 ilometers #er se&on,ll o3 the above*

Question 5 (1569555):0ow many in&hes are there in one meter! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): 29*4%orre&t answer(s): 29*4*/54/*54294*

Question 6 (156956):,n ,stronomi&al nit (,) is e3ine as "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): the average istan&e between the 7un an the8arth*%orre&t answer(s): the istan&e between the 7un an the nearest star 'ro-ima %entauri*the average istan&e between the 7un an the 8arth*the average istan&e between the 7un an 'luto*

"he istan&e light travels in one year*

Question (1569565):0ow many ,s are there in one Light Year! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): 62/%orre&t answer(s): 62/1*6-1.5

about 6 trillion1



Question (156955):hat is the iameter o3 the 8arth in ilometers! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): 1/

%orre&t answer(s): 9

2499

1/

Question 1 (166):"he two &oorinates that es&ribe the lo&ation o3 an obe&t on the%elestial 7#here are "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):;ight ,s&ension an <e&lination%orre&t answer(s): ;ight ,s&ension an <e&linationLatitue an Longitue,ltitue an ,=imuth"ime o3 ay an lo&ation*

Question / (16/):You observe the 7un rising ire&tly in the 8ast (ue 8ast)* ,t the

time o3 the sunrise whi&h o3 the 3ollowing &oorinates woul es&ribe the lo&ation o3 the7un in your lo&al sy! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):,ltitue egrees an ,=imuth 9 egrees%orre&t answer(s): ;ight ,s&ension 6 hours an <e&lination egrees,ltitue 9 egrees an ,=imuth egrees,ltitue egrees an ,=imuth 9 egreesLatitue 4/ egrees an Longitue 2 egrees west

Question 2 (1612):hat #hase o3 the $oon will result when the $oon #asses between the 7un an the earth! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): >ew%orre&t answer(s): >ew?irst Quarter

?ull"hir Quarter

Question 4 (1614):hat #hase o3 the $oon will set at noon! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): "hir Quarter %orre&t answer(s): >ew?irst Quarter ?ull"hir Quarter

Question 5 (165):hat is the latitue 3or an observer at the 8quator! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): egrees%orre&t answer(s): egrees45 egrees >orth Latitue9 egrees >orth Latitue9 egrees 7outh Latitue

Question 6 (16):hat is the <e&lination o3 the >orth %elestial 'ole! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): 9 egrees%orre&t answer(s): egrees45 egrees9 egrees



@enith

Question (164):hat is the latitue o3 the >orth 'ole! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): 9 egrees >orth Latitue%orre&t answer(s): egrees45 egrees >orth Latitue

9 egrees >orth Latitue@enith

Question (161/):%an the $oon ever be seen uring the ay! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): Yes about hal3 the time*%orre&t answer(s): Yes about hal3 the time* >o never*

Question 9 (1615):hat two &onitions must be met in orer 3or a 7olar 8&li#se too&&ur! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): "he $oonmust be in the >ew $oon #hase an on the 8&li#ti& 'lane*%orre&t answer(s): "he $oon must be in the ?ull $oon #hase an above the 8&li#ti&'lane*

"he $oon must be in the ?ull $oon #hase an on the 8&li#ti& 'lane*"he $oon must be in the >ew $oon #hase an above the 8&li#ti& 'lane*"he $oon must be in the >ew $oon #hase an on the 8&li#ti& 'lane*

Question 1 (169):?or an observer lo&ate at the 8arthAs >orth 'ole what woul bethe a##ro-imate altitue o3 the star 'olaris! ;e&all 'olaris is also re3erre to as the 'ole

7tar whi&h means that it is lo&ate very near the >orth %elestial 'ole* "y#e:$ulti#le

%hoi&e 'oints aware:* + 1* Your ,nswer(s): 4/ egrees%orre&t answer(s): egrees

/2*5 egrees

4/ egrees

9 egrees (=enith)

Question 1 (161/5):0ow i BalileoAs observation o3 Cenus su##ort the helio&entri&system! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 0e observethat while Cenus was in the &res&ent #hase it a##eare larger than when it was in 3ull #hase*%orre&t answer(s): 0e observe that while Cenus was in the &res&ent #hase it a##earelarger than when it was in 3ull #hase*0e observe that while Cenus was in the 3ull #hase it a##eare larger than when it was in3ull #hase*0e observe that Cenus a##eare largest when it was in the 3ull #hase*0e i not observe Cenus as ever being in the 3ull #hase*

Question / (161/5):"o a&&ount 3or the a##arent retrograe motion o3 the #lanets'tolemy in&lue DDDDDDDDDDDD in his moel o3 the niverse* "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): e#i&y&les%orre&t answer(s): &ir&lese#i&y&leselli#seshelio&entri&ism

Question 2 (161/):"y&ho Erahe is best nown 3or "y#e:$ulti#le %hoi&e 'oints



aware:1* + 1* Your ,nswer(s): 0is a&&urate an &om#rehensive astronomi&alobservation te&hniques*%orre&t answer(s): 0is a&&urate an &om#rehensive astronomi&al observation te&hniques*0is &osmology whi&h in&lue a &ombination o3 helio&entri& an geo&entri& 3eatures*0is three laws o3 #lanetary motion*"he invention o3 the teles&o#e*

Question 4 (161/4):Fn both the geo&entri& an helio&entri& systems Cenus woul bee-#e&te to go through #hases* hi&h o3 the 3ollowing istinguishes between the twosystems! "y#e:$ulti#le %hoi&e 'oints aware:* + 1* Your ,nswer(s): Fn thehelio&entri& system Cenus woul o&&asionally be near 3ull #hase an woul a##ear larger at that time* Fn the geo&entri& system Cenus woul never be near 3ull #hase*%orre&t answer(s): Fn the geo&entri& system Cenus woul o&&asionally be near 3ull #hasean woul a##ear larger at that time* Fn the helio&entri& system Cenus woul never benear 3ull #hase*Fn the helio&entri& system Cenus woul o&&asionally be near 3ull #hase an woul a##ear larger at that time* Fn the geo&entri& system Cenus woul never be near 3ull #hase*Fn the geo&entri& system Cenus woul o&&asionally be near 3ull #hase an woul a##earsmaller at that time* Fn the helio&entri& system Cenus woul never be near 3ull #hase*

Fn the helio&entri& system Cenus woul o&&asionally be near 3ull #hase an woul a##ear smaller at that time* Fn the geo&entri& system Cenus woul never be near 3ull #hase*

Question 5 (161/4):"he moel in whi&h 8arth o&&u#ies the &enter o3 the niverse is&alle the DDDDDDDDDDDD moel* "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): geo&entri&%orre&t answer(s): helio&entri&Eig EangGe#leriengeo&entri&

Question 6 (161/1):hi&h o3 the 3ollowing is a &onsequen&e o3 Ge#lerAs "hir Law!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 'lanets &loser to the7un have shorter orbital #erios than #lanets 3urther 3rom the 7un*%orre&t answer(s): 'lanets &loser to the 7un have shorter orbital #erios than #lanets3urther 3rom the 7un*'lanets &loser to the 7un have longer orbital #erios than #lanets 3urther 3rom the 7un*'lanets move on e#i&y&les while e#i&y&les orbit the 7un*?or any given orbiting #lanet when it is &loser to the 7un it moves 3aster than when it is3urther 3rom the 7un*

Question (161/):hi&h o3 the 3ollowing is a &onsequen&e o3 Ge#lerAs 7e&on Law!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): ?or any given orbiting #lanet when it is &loser to the 7un it moves 3aster than when it is 3urther 3rom the 7un*%orre&t answer(s): 'lanets &loser to the 7un have shorter orbital #erios than #lanets

3urther 3rom the 7un*'lanets &loser to the 7un have longer orbital #erios than #lanets 3urther 3rom the 7un*'lanets move on e#i&y&les while e#i&y&les orbit the 7un*?or any given orbiting #lanet when it is &loser to the 7un it moves 3aster than when it is3urther 3rom the 7un*

Question (161/9):,&&oring to Ge#lerAs ?irst Law the orbit o3 ea&h #lanet is what

sha#e! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 8lli#ti&al

%orre&t answer(s): 'araboli&



8lli#ti&al%ir&ular

7#heri&al

Question 1 (161/):Fn the helio&entri& system how is a##arent retrograe motione-#laine! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 'lanets

nearer to the 7un orbit 3aster than #lanets 3urther 3rom the 7un* hen an inner #lanetHovertaesA an outer #lanet the outer #lanet a##ears to move ba&war*%orre&t answer(s): 8a&h #lanet is on a rotating e#i&y&le whi&h in turn orbits the 7un*8a&h #lanetAs orbit is in the sha#e o3 an elli#se*'lanets nearer to the 7un orbit 3aster than #lanets 3urther 3rom the 7un* hen an inner #lanet HovertaesA an outer #lanet the outer #lanet a##ears to move ba&war*"he 8arth o&&asionally travels slower in its orbit an when this ha##ens the other #lanetsa##ear to move ba&war*

Question / (161/6):hi&h o3 the 3ollowing #eo#le evelo#e the helio&entri& moel o3 the niverse* "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):%o#erni&us%orre&t answer(s): ,ristotle'tolemy%o#erni&usGe#ler

Question 2 (161/2):hat was the signi3i&an&e o3 the is&overy that Iu#iter ha its ownmoon system! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Ft wasire&t evien&e that not all &elestial obe&ts orbit the 8arth an there3ore su##orte thehelio&entri& moel*%orre&t answer(s): Ft reveale ust how well teles&o#es &oul magni3y things 3or us*Ft enable Balileo to etermine the mass o3 Iu#iter*Ft was ire&t evien&e that not all &elestial obe&ts orbit the 8arth an there3oresu##orte the helio&entri& moel*

Ft was ire&t evien&e that all #lanets have moon systems*

Question 4 (161/5):"o a&&ount 3or the a##arent retrograe motion o3 the #lanets'tolemy in&lue DDDDDDDDDDDD in his moel o3 the niverse* "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): e#i&y&les%orre&t answer(s): &ir&lese#i&y&leselli#seshelio&entri&ism

Question 5 (161/9):,&&oring to Ge#lerAs ?irst Law the orbit o3 ea&h #lanet is whatsha#e! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 8lli#ti&al%orre&t answer(s): 'araboli&

8lli#ti&al%ir&ular 7#heri&al

Question 6 (161//):"he 3irst #erson to use a teles&o#e 3or astronomi&al observationwas "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Balileo Balilei%orre&t answer(s): %lauius 'tolemy"y&ho EraheIohannes Ge#ler



Balileo Balilei

Question (161/):hi&h o3 the 3ollowing is a &onsequen&e o3 Ge#lerAs 7e&on Law!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): ?or any given orbiting #lanet when it is &loser to the 7un it moves 3aster than when it is 3urther 3rom the 7un*%orre&t answer(s): 'lanets &loser to the 7un have shorter orbital #erios than #lanets

3urther 3rom the 7un*'lanets &loser to the 7un have longer orbital #erios than #lanets 3urther 3rom the 7un*'lanets move on e#i&y&les while e#i&y&les orbit the 7un*?or any given orbiting #lanet when it is &loser to the 7un it moves 3aster than when it is3urther 3rom the 7un*

Question (161/4):"he moel in whi&h 8arth o&&u#ies the &enter o3 the niverse is

&alle the DDDDDDDDDDDD moel* "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): geo&entri&

%orre&t answer(s): helio&entri&

Eig EangGe#lerien

geo&entri&

Question 1 (16121):here i the "errestrial #lanets 3orm! "y#e:$ulti#le %hoi&e'oints aware:* + 1* Your ,nswer(s): Fnsie the ;o&+$etal %onensation Line*%orre&t answer(s): Fnsie the ;o&+$etal %onensation Line*Eetween the ;o&+$etal %onensation Line an the ?rost Line*Eeyon the ?rost Line >one o3 the above*

Question / (161211):hat is the term use 3or the ty#e o3 #lanet that is similar in manyways to 8arth! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):"errestrial%orre&t answer(s): Iovian

,steroi"errestrialGui#er Eelt Obe&t

Question 2 (161214):hi&h #lanet ty#e tens to be high mass! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): Iovian%orre&t answer(s): Iovian,steroi"errestrialGui#er Eelt Obe&t

Question 4 (16121/):hat is the term use 3or the ty#e o3 #lanet that is similar in manyways to Iu#iter! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):Iovian%orre&t answer(s): Iovian,steroi"errestrialGui#er Eelt Obe&t

Question 5 (1612/4):hat is the &om#osition o3 a ty#i&al %omet or Gui#er Eelt Obe&t!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): ;o& an $etal&ombine with 0yrogen %om#ouns or F&es



%orre&t answer(s): ;o& an $etal;o& an $etal &ombine with 0yrogen %om#ouns or F&es, relatively small amount o3 ;o& an $etal #lus a &ombination o3 0yrogen%om#ouns an 0yrogen an 0elium Bases* >one o3 the above*

Question 6 (16121):hat is the name o3 the theory that es&ribes the #ro&esses bywhi&h the solar system 3orme! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): "he >ebular "heory%orre&t answer(s): "he >ebular "heory"he Benesis "heory"he 7olar 7ystem "heory"he Eig Eang "heory

Question (1612/2):here i the %omets or Gui#er Eelt Obe&ts 3orm! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): Eeyon the ?rost Line*%orre&t answer(s): Fnsie the ;o&+$etal %onensation Line*Eetween the ;o&+$etal %onensation Line an the ?rost Line*Eeyon the ?rost Line*

>one o3 the above*

Question (1612/5):hat is the liely &om#osition o3 'luto! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): ;o& an $etal &ombine with 0yrogen%om#ouns or F&es%orre&t answer(s): ;o& an $etal;o& an $etal &ombine with 0yrogen %om#ouns or F&es, relatively small amount o3 ;o& an $etal #lus a &ombination o3 0yrogen%om#ouns an 0yrogen an 0elium Bases* >one o3 the above*

Question 9 (16121):hat is the #rimary &om#osition 3or the "errestrial #lanets!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): ;o& an $etal%orre&t answer(s): ;o& an $etal0yrogen %om#ouns or F&es, relatively small amount o3 ;o& an $etal #lus a &ombination o3 0yrogen%om#ouns an 0yrogen an 0elium Bases >one o3 the above*

Question 1 (161212):hi&h #lanet ty#e tens to be small! "y#e:$ulti#le %hoi&e

'oints aware:* + 1* Your ,nswer(s): Gui#er Eelt Obe&t%orre&t answer(s): Iovian

,steroi

"errestrial

Gui#er Eelt Obe&t

Question 1 (161215):hi&h #lanet ty#e tens to be low ensity! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): Iovian%orre&t answer(s): Iovian,steroi"errestrialGui#er Eelt Obe&t

Question / (1612/1):here i the ,sterois 3orm! "y#e:$ulti#le %hoi&e 'oints



aware:1* + 1* Your ,nswer(s): Eetween the ;o&+$etal %onensation Line an the?rost Line*%orre&t answer(s): Fnsie the ;o&+$etal %onensation Line*Eetween the ;o&+$etal %onensation Line an the ?rost Line*Eeyon the ?rost Line >one o3 the above

Question 2 (16121/):hat is the term use 3or the ty#e o3 #lanet that is similar in manyways to Iu#iter! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):Iovian%orre&t answer(s): Iovian,steroi"errestrialGui#er Eelt Obe&t

Question 4 (16121):hat is the #rimary &om#osition 3or the "errestrial #lanets!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): ;o& an $etal%orre&t answer(s): ;o& an $etal0yrogen %om#ouns or F&es

, relatively small amount o3 ;o& an $etal #lus a &ombination o3 0yrogen%om#ouns an 0yrogen an 0elium Bases >one o3 the above*

Question 5 (16121):hat is the name o3 the theory that es&ribes the #ro&esses bywhi&h the solar system 3orme! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): "he >ebular "heory%orre&t answer(s): "he >ebular "heory"he Benesis "heory"he 7olar 7ystem "heory"he Eig Eang "heory

Question 6 (161212):hi&h #lanet ty#e tens to be small! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): "errestrial%orre&t answer(s): Iovian,steroi"errestrialGui#er Eelt Obe&t

Question (16121):here i the "errestrial #lanets 3orm! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): Eetween the ;o&+$etal %onensation Linean the ?rost Line*%orre&t answer(s): Fnsie the ;o&+$etal %onensation Line*Eetween the ;o&+$etal %onensation Line an the ?rost Line*Eeyon the ?rost Line

>one o3 the above*

Question (161216):hi&h #lanet ty#e tens to have 3ew or no satellites!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): "errestrial%orre&t answer(s): Iovian,steroi"errestrialGui#er Eelt Obe&t

Question 9 (161214):hi&h #lanet ty#e tens to be high mass! "y#e:$ulti#le %hoi&e



'oints aware:1* + 1* Your ,nswer(s): Iovian%orre&t answer(s): Iovian,steroi"errestrialGui#er Eelt Obe&t

Question 1 (1612/5):hat is the liely &om#osition o3 'luto! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): ;o& an $etal &ombine with 0yrogen

%om#ouns or F&es%orre&t answer(s): ;o& an $etal

;o& an $etal &ombine with 0yrogen %om#ouns or F&es

, relatively small amount o3 ;o& an $etal #lus a &ombination o3 0yrogen%om#ouns an 0yrogen an 0elium Bases*

>one o3 the above*

Question 1 (16125):hi&h o3 the 3ollowing ete&tion methos has resulte in the moste-o#lanet is&overies! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):<o##ler

%orre&t answer(s):<ire&t <ete&tion,strometry<o##ler "ransit

Question / (161262):hy is ire&t ete&tion so i33i&ult! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): Eoth a an b are &orre&t*%orre&t answer(s): Ee&ause #lanets emit the same in o3 light as the stars*Ee&ause e-o#lanets are so 3ar away an there3ore very im* ,lso their host stars outshinethem*,&tually ire&t ete&tion is not that i33i&ult* $ost o3 the e-o#lanets is&overe to atehave been ete&te using this metho*Eoth a an b are &orre&t*

Question 2 (161259):$ost o3 the e-o#lanets is&overe so 3ar ten to be "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): high.mass*%orre&t answer(s): high.mass*low.mass*8arth.lie*none o3 the above*

Question 4 (16126/):"he <o##ler metho wors only in &ases where "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): "here is some &om#onent o3 motionin whi&h the star has a non.=ero raial velo&ity*

%orre&t answer(s): e are looing at the star+#lanet system 3rom a 3a&e.on vantage #oint*"here is an e-tremely massive #lanet several times the mass o3 Iu#iter*"here is some &om#onent o3 motion in whi&h the star has a non.=ero raial velo&ity*"he <o##ler metho has not yet been su&&ess3ul at ete&ting e-tra solar #lanets*

Question 5 (16126):, #lanet an its host star orbit about "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): their &ommon &enter o3 mass*

%orre&t answer(s): the &enter o3 the star*

the &enter o3 the #lanet*



their &ommon &enter o3 mass*ea&h other*

Question 1 (161264):hat is the &urrent status o3 the sear&h 3or e-tra solar #lanets!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): $ore than 45e-#o#lanets have been ienti3ie*

%orre&t answer(s): $ore than 45 e-#o#lanets have been ienti3ie*$ore than 1 e-o#lanets have been ienti3ie*Less than 1 e-o#lanets have been ienti3ie* >o e-o#lanets have yet been 3oun*

Question / (161262):hy is ire&t ete&tion so i33i&ult! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): Ee&ause e-o#lanets are so 3ar away an there3orevery im* ,lso their host stars outshine them*%orre&t answer(s): Ee&ause #lanets emit the same in o3 light as the stars*Ee&ause e-o#lanets are so 3ar away an there3ore very im* ,lso their host stars outshinethem*,&tually ire&t ete&tion is not that i33i&ult* $ost o3 the e-o#lanets is&overe to atehave been ete&te using this metho*

Eoth a an b are &orre&t*

Question 2 (16126/):"he <o##ler metho wors only in &ases where "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): "here is some &om#onent o3 motionin whi&h the star has a non.=ero raial velo&ity*%orre&t answer(s): e are looing at the star+#lanet system 3rom a 3a&e.on vantage #oint*"here is an e-tremely massive #lanet several times the mass o3 Iu#iter*"here is some &om#onent o3 motion in whi&h the star has a non.=ero raial velo&ity*"he <o##ler metho has not yet been su&&ess3ul at ete&ting e-tra solar #lanets*

Question 4 (16126):, #lanet an its host star orbit about "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): their &ommon &enter o3 mass*%orre&t answer(s): the &enter o3 the star*the &enter o3 the #lanet*their &ommon &enter o3 mass*ea&h other*

Question 5 (161259):$ost o3 the e-o#lanets is&overe so 3ar ten to be "y#e:$ulti#le

%hoi&e 'oints aware:1* + 1* Your ,nswer(s): high.mass*%orre&t answer(s): high.mass*

low.mass*

8arth.lie*

none o3 the above*

Question 1 (1612):hat is the i33eren&e between a meteoroi a meteor an ameteorite! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): ,meteoroi is a #ie&e o3 ebris in s#a&e* , meteor is a #ie&e o3 ebris burning u# in 8arthAsatmos#here an a meteorite is a &hun o3 ebris that rea&hes the 8arthAs sur3a&e*%orre&t answer(s): , meteoroi is a &hun o3 ebris that rea&hes the 8arthAs sur3a&e* ,meteor is a #ie&e o3 ebris in s#a&e an a meteorite is a #ie&e o3 ebris burning u# in8arthAs atmos#here*, meteoroi is a large asteroi* , meteor is a &omet an a meteorite is a ro&*, meteoroi is a #ie&e o3 ebris in s#a&e* , meteor is a #ie&e o3 ebris burning u# in8arthAs atmos#here an a meteorite is a &hun o3 ebris that rea&hes the 8arthAs sur3a&e*



, meteoroi is a &ometAs &oma* , meteor is a &ometAs tail an a meteorite is a &ometnu&leus*

Question / (16129):0ow are asterois is&overe! "y#e:$ulti#le %hoi&e 'ointsaware:* + 1* Your ,nswer(s): Ey sening #robes to the region o3 s#a&e between$ars an Iu#iter an having them s&an the region 3or asterois*

%orre&t answer(s): Ey observing their gravitational e33e&t on $ars*Easi&ally by lu& sin&e they are so small an there3ore i33i&ult to see*Ey taing e-tene time #hotogra#hs an observing streas relative to the 3i-e ba&groun stars*Ey sening #robes to the region o3 s#a&e between $ars an Iu#iter an having them s&anthe region 3or asterois*

Question 2 (161291):hat is a meteor shower ! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): , meteor shower o&&urs whenever the 8arth #assesthrough the meteoroi ebris le3t behin by a &omet* "he result is that more meteors willo&&ur uring that time*%orre&t answer(s): , meteor shower is the &olle&tion o3 i&y ro&y obe&ts lo&ate beyonthe orbit o3 >e#tune*

, meteor shower o&&urs whenever the 8arth #asses through the meteoroi ebris le3t behin by a &omet* "he result is that more meteors will o&&ur uring that time*, meteor shower is a storm that o&&urs at night*, meteor shower is a grou# o3 &omets is&overe in &lose su&&ession*

Question 4 (16121):0ow large are the largest asterois! "y#e:$ulti#le %hoi&e 'ointsaware:* + 1* Your ,nswer(s): ,bout the si=e o3 the 8arth%orre&t answer(s): ,bout the si=e o3 a bowling ball*,bout the si=e o3 a mountain on 8arth*, 3ew hunre miles in iameter*,bout the si=e o3 the 8arth

Question 5 (1612/):0ow &rowe is the ,steroi Eelt! <o s#a&e&ra3t have troubletraveling through it! "y#e:$ulti#le %hoi&e 'oints aware:* + 1* Your ,nswer(s):"he asteroi belt is e-tremely &rowe* 8a&h asteroi is se#arate 3rom the others byonly a 3ew miles* , s#a&e&ra3t woul have a very i33i&ult time #assing through theasteroi belt without &olliing with at least one o3 the asterois*%orre&t answer(s): Fn the asteroi belt asterois are se#arate 3rom ea&h other bymillions o3 miles* Ey human stanars the asteroi belt is not &rowe at all* 7#a&e&ra3twoul be able to #ass through the asteroi belt with very little &han&e o3 &olliing with anasteroi*"he asteroi belt is e-tremely &rowe* 8a&h asteroi is se#arate 3rom the others byonly a 3ew miles* , s#a&e&ra3t woul have a very i33i&ult time #assing through theasteroi belt without &olliing with at least one o3 the asterois*e thin that the asteroi belt is not &rowe but some #robes sent to the outer #lanets

have &ollie with asterois in the asteroi belt while en.route*"here is no way o3 nowing whether the asteroi belt is &rowe at all sin&e it is too 3araway*

Question 6 (1612):0ow oes a &omet eventually ie! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): %omets eventually isintegrate a3ter several #asses&lose to the 7un*%orre&t answer(s): %omets eventually 3all into the 7un*%omets ie by re&eing into the e#ths o3 s#a&e never to return*%omets ie by e-#loing in a giant 3ireball*



%omets eventually isintegrate a3ter several #asses &lose to the 7un*

Question (16122):hat is the Gui#er Eelt! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): , &olle&tion o3 many small i&y obe&ts beyon theorbit o3 >e#tune*%orre&t answer(s): , &olle&tion o3 ro&y.metalli& obe&ts between the orbits o3 $ars an

Iu#iter*, &olle&tion o3 many small i&y obe&ts beyon the orbit o3 >e#tune*"he gases es&a#ing 3rom a &omet nu&leus an stret&hing out in s#a&e* >one o3 the above*

Question (16129):hat are the two basi& ty#es o3 meteorites! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): 7tones or 7tone $eteorites an Frons or Fron$eteorites*%orre&t answer(s): $eteors an $eteorois*7tones or 7tone $eteorites an Frons or Fron $eteorites*7ili&ate Fron an 7toney Fron $eteorites*;o&y $eteorites an $etalli& $eteorites*

Question 9 (16129):here o most meteorites &ome 3rom! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): ?rom the outer &rusts o3 asterois 3reeuring &ollisions*%orre&t answer(s): ?rom the outer &rusts o3 asterois 3ree uring &ollisions*?rom the inner &ores o3 asterois 3ree uring maor asteroi &ollisions*?rom ee# within the 8arthAs &rust*?rom the ebris le3t in a &ometAs orbit*

Question 1 (161292):hy oes the $oon have so many more im#a&t &raters than the

8arth! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): "he $oon has

no atmos#here so there has been no erosion o3 the &raters* ,lso the $oon has nogeologi&al a&tivity that &oul have re#la&e the &ratere sur3a&e over geologi&al

times&ales*%orre&t answer(s): "he $oon has no atmos#here so there has been no erosion o3 the

&raters* ,lso the $oon has no geologi&al a&tivity that &oul have re#la&e the &rateresur3a&e over geologi&al times&ales*

"he $oon has ha many more im#a&ting events than 8arth*

"he $oon is in s#a&e while 8arth is not*"he $oon has shiele 8arth 3rom most o3 the #otential im#a&ts*

Question 1 (16129):here o most meteorites &ome 3rom! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): ?rom the outer &rusts o3 asterois 3reeuring &ollisions*%orre&t answer(s): ?rom the outer &rusts o3 asterois 3ree uring &ollisions*

?rom the inner &ores o3 asterois 3ree uring maor asteroi &ollisions*?rom ee# within the 8arthAs &rust*?rom the ebris le3t in a &ometAs orbit*

Question / (16129):hat are the two basi& ty#es o3 meteorites! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): 7tones or 7tone $eteorites an Frons or Fron$eteorites*%orre&t answer(s): $eteors an $eteorois*7tones or 7tone $eteorites an Frons or Fron $eteorites*



7ili&ate Fron an 7toney Fron $eteorites*;o&y $eteorites an $etalli& $eteorites*

Question 2 (161292):hy oes the $oon have so many more im#a&t &raters than the8arth! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): "he $oon hasno atmos#here so there has been no erosion o3 the &raters* ,lso the $oon has no

geologi&al a&tivity that &oul have re#la&e the &ratere sur3a&e over geologi&altimes&ales*%orre&t answer(s): "he $oon has no atmos#here so there has been no erosion o3 the&raters* ,lso the $oon has no geologi&al a&tivity that &oul have re#la&e the &rateresur3a&e over geologi&al times&ales*"he $oon has ha many more im#a&ting events than 8arth*"he $oon is in s#a&e while 8arth is not*"he $oon has shiele 8arth 3rom most o3 the #otential im#a&ts*

Question 4 (16124):hat is the i33eren&e between a &omet an a meteor!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): , &omet is an asteroi.si=e &hun o3 ro& an i&es in orbit aroun the 7un while a meteor is a small &hun o3ebris burning u# in the 8arthAs atmos#here*

%orre&t answer(s): , &omet is a small &hun o3 ebris burning u# in the 8arthAsatmos#here while a meteor is a small &hun o3 ebris that has survive the #lungethrough 8arthAs atmos#here an &an be re&overe*, &omet is a small &hun o3 ebris burning u# in the 8arthAs atmos#here while a meteoris an asteroi.si=e &hun o3 ro& an i&es in orbit aroun the 7un*, &omet is an asteroi.si=e &hun o3 ro& an i&es in orbit aroun the 7un while ameteor is a small &hun o3 ebris burning u# in the 8arthAs atmos#here* >one o3 the above*

Question 5 (161291):hat is a meteor shower ! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): , meteor shower o&&urs whenever the 8arth #assesthrough the meteoroi ebris le3t behin by a &omet* "he result is that more meteors willo&&ur uring that time*%orre&t answer(s): , meteor shower is the &olle&tion o3 i&y ro&y obe&ts lo&ate beyonthe orbit o3 >e#tune*, meteor shower o&&urs whenever the 8arth #asses through the meteoroi ebris le3t behin by a &omet* "he result is that more meteors will o&&ur uring that time*, meteor shower is a storm that o&&urs at night*, meteor shower is a grou# o3 &omets is&overe in &lose su&&ession*

Question 6 (16121):0ow large are the largest asterois! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): , 3ew hunre miles in iameter*%orre&t answer(s): ,bout the si=e o3 a bowling ball*,bout the si=e o3 a mountain on 8arth*, 3ew hunre miles in iameter*

,bout the si=e o3 the 8arth

Question (1612):0ow oes a &omet eventually ie! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): %omets eventually isintegrate a3ter several #asses&lose to the 7un*%orre&t answer(s): %omets eventually 3all into the 7un*%omets ie by re&eing into the e#ths o3 s#a&e never to return*%omets ie by e-#loing in a giant 3ireball*%omets eventually isintegrate a3ter several #asses &lose to the 7un*



Question (1612/):0ow &rowe is the ,steroi Eelt! <o s#a&e&ra3t have troubletraveling through it! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):Fn the asteroi belt asterois are se#arate 3rom ea&h other by millions o3 miles* Eyhuman stanars the asteroi belt is not &rowe at all* 7#a&e&ra3t woul be able to #assthrough the asteroi belt with very little &han&e o3 &olliing with an asteroi*%orre&t answer(s): Fn the asteroi belt asterois are se#arate 3rom ea&h other by

millions o3 miles* Ey human stanars the asteroi belt is not &rowe at all* 7#a&e&ra3twoul be able to #ass through the asteroi belt with very little &han&e o3 &olliing with anasteroi*"he asteroi belt is e-tremely &rowe* 8a&h asteroi is se#arate 3rom the others byonly a 3ew miles* , s#a&e&ra3t woul have a very i33i&ult time #assing through theasteroi belt without &olliing with at least one o3 the asterois*e thin that the asteroi belt is not &rowe but some #robes sent to the outer #lanetshave &ollie with asterois in the asteroi belt while en.route*"here is no way o3 nowing whether the asteroi belt is &rowe at all sin&e it is too 3araway*

Question 9 (1612):hy is there an asteroi belt rather than a single obe&t su&h as a #lanet lo&ate between the orbits o3 $ars an Iu#iter! "y#e:$ulti#le %hoi&e 'oints

aware:1* + 1* Your ,nswer(s): Iu#iterAs gravitational e33e&t serves to gently tug atthe asterois #reventing them 3rom &oales&ing into a single larger obe&t su&h as a #lanet*%orre&t answer(s): Iu#iterAs gravitational e33e&t serves to gently tug at the asterois #reventing them 3rom &oales&ing into a single larger obe&t su&h as a #lanet*Ee&ause at some time in the istant #ast there was a maor &ollision whi&h resulte inthe breaing a#art o3 a #lanet into the asterois that we see toay*Ee&ause the 7un gravitationally #ulle ebris in 3rom the outer solar system a3ter the #lanets ha all 3orme* >one o3 the above*

Question 1 (16125):hat are the two main reasons 3or a &ometAs interesting

behavior! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): "heir

&om#osition mostly i&es an their highly e&&entri& orbits*%orre&t answer(s): "heir &om#osition mostly ro& an metal an their nearly &ir&ular

orbits*

"heir &om#osition mostly i&es an their highly e&&entri& orbits*"heir &om#osition mostly i&es an their nearly &ir&ular orbits*

"heir &om#osition mostly ro& an metal an their highly e&&entri& orbits that bring

them &lose to Iu#iter*

Question 1 (1614/5):hat are the two main 3a&tors that &ontrol how a "errestrial #lanetAs sur3a&e will evolve! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): 7i=e an istan&e 3rom the 7un (tem#erature)%orre&t answer(s):

7i=e an istan&e 3rom the 7un (tem#erature)<ensity an istan&e 3rom the 7un (tem#erature)7i=e an thi&ness o3 atmos#here* >one o3 the above*

Question / (161421):hi&h o3 the 3ollowing lists two reasons why it is so &ol on$ars! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): $ars is 3ar3rom the 7un (less warmth 3rom the 7un) an very little greenhouse warming ue to itsvery thin atmos#here*



%orre&t answer(s):?ar 3rom the 7un (so less warmth 3rom the 7un) an no vol&anoes to warm the sur3a&e* >o vol&anoes to warm the sur3a&e an a thi& atmos#here whi&h #revents sunlight 3rom #enetrating to the sur3a&e*$ars is 3ar 3rom the 7un (less warmth 3rom the 7un) an very little greenhouse warmingue to its very thin atmos#here*

>one o3 the above*

Question 2 (1614/9):hat #ro#erties o Cenus an 8arth have in &ommon!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 7i=e an $ass%orre&t answer(s):7i=e an atmos#heri& &om#osition7i=e an $ass"e&toni&s an sur3a&e tem#erature7i=e an istan&e 3rom the 7un

Question 4 (16142/):hy is $ars no longer geologi&ally a&tive! "y#e:$ulti#le %hoi&e'oints aware:* + 1* Your ,nswer(s): <ue to its small si=e $arsAs interior has&oole to a soli state*

%orre&t answer(s):$ars has a hot molten interior but its thi& &rust may be #rohibiting any geologi&ala&tivity*<ue to its small si=e $arsAs interior has &oole to a soli state*$arsAs thin atmos#here has halte all geologi&al a&tivity*$arsAs magnetos#here has almost isa##eare*

Question 5 (1614/6):hi&h 3a&tor &ontrols whether or not a #lanet will have anatmos#here an how thi& it will be! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1*Your ,nswer(s): $ass%orre&t answer(s): <istan&e 3rom the 7un"em#erature<ensity$ass

Question 6 (1614/):7in&e the sur3a&e o3 $er&ury an 8arthAs $oon are so similarwhi&h 3a&tor was liely most im#ortant in sha#ing their sur3a&es! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): 7i=e%orre&t answer(s): 7i=e<istan&e 3rom the 7unOrbital 'erio;otational 'erio

Question (16142):hat O>8 initial i33eren&e is ultimately res#onsible 3or the vastlyi33erent &onitions on Cenus &om#are to 8arth! "y#e:$ulti#le %hoi&e 'oints

aware:1* + 1* Your ,nswer(s): <istan&e 3rom the 7un an there3ore tem#erature*%orre&t answer(s):$ass an there3ore ensity*Beologi&al a&tivity*Orbital #erio*<istan&e 3rom the 7un an there3ore tem#erature*

Question (161422):hat gas abunant in 8arthAs atmos#here is unique to 8arth anwhere i this gas &ome 3rom! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your



,nswer(s): O-ygen in the atmos#here is unique to 8arth an is #rou&e by vegetation*%orre&t answer(s):

O-ygen in the atmos#here is unique to 8arth an is #rou&e by vegetation*%O/ is unique to 8arth an &ame 3rom the o&eans**

>itrogen is unique to 8arth an &ame 3rom vol&ani& egassing**

>one o3 the above*

Question 1 (1614/5):hat are the two main 3a&tors that &ontrol how a "errestrial #lanetAs sur3a&e will evolve! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): 7i=e an istan&e 3rom the 7un (tem#erature)%orre&t answer(s): 7i=e an istan&e 3rom the 7un (tem#erature)<ensity an istan&e 3rom the 7un (tem#erature)7i=e an thi&ness o3 atmos#here* >one o3 the above*

Question / (16142/):hy is $ars no longer geologi&ally a&tive! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): $arsAs thin atmos#here has halte all

geologi&al a&tivity*%orre&t answer(s): $ars has a hot molten interior but its thi& &rust may be #rohibitingany geologi&al a&tivity*<ue to its small si=e $arsAs interior has &oole to a soli state*$arsAs thin atmos#here has halte all geologi&al a&tivity*$arsAs magnetos#here has almost isa##eare*

Question 2 (1614/):hi&h 3a&tor &ontrols whether or not a #lanet will have geologi&ala&tivity an how long it will last! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): 7i=e%orre&t answer(s): <istan&e 3rom the 7un<ensity7i=e

8-isten&e o3 an atmos#here

Question 4 (1614/):7in&e the sur3a&e o3 $er&ury an 8arthAs $oon are so similarwhi&h 3a&tor was liely most im#ortant in sha#ing their sur3a&es! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): 7i=e%orre&t answer(s): 7i=e<istan&e 3rom the 7unOrbital 'erio;otational 'erio

Question 5 (161421):hi&h o3 the 3ollowing lists two reasons why it is so &ol on$ars! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): $ars is 3ar3rom the 7un (less warmth 3rom the 7un) an very little greenhouse warming ue to its

very thin atmos#here*%orre&t answer(s): ?ar 3rom the 7un (so less warmth 3rom the 7un) an no vol&anoes towarm the sur3a&e* >o vol&anoes to warm the sur3a&e an a thi& atmos#here whi&h #revents sunlight 3rom #enetrating to the sur3a&e*$ars is 3ar 3rom the 7un (less warmth 3rom the 7un) an very little greenhouse warmingue to its very thin atmos#here* >one o3 the above*



Question 6 (1614/6):hi&h 3a&tor &ontrols whether or not a #lanet will have anatmos#here an how thi& it will be! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1*Your ,nswer(s): $ass%orre&t answer(s): <istan&e 3rom the 7un"em#erature<ensity

$ass

Question (161422):hat gas abunant in 8arthAs atmos#here is unique to 8arth anwhere i this gas &ome 3rom! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): O-ygen in the atmos#here is unique to 8arth an is #rou&e by vegetation*%orre&t answer(s): O-ygen in the atmos#here is unique to 8arth an is #rou&e byvegetation*%O/ is unique to 8arth an &ame 3rom the o&eans** >itrogen is unique to 8arth an &ame 3rom vol&ani& egassing** >one o3 the above*

Question (161424):0ow oes the greenhouse e33e&t on Cenus i33er 3rom the

greenhouse e33e&t on $ars! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): 7in&e $arsAs atmos#here is so thin very little greenhouse warming o&&urs

there*

%orre&t answer(s): "here is no i33eren&e between the greenhouse e33e&t on $ars an the

greenhouse e33e&t on Cenus*7in&e $arsAs atmos#here is so thin very little greenhouse warming o&&urs there*

"he greenhouse e33e&t is mu&h stronger on $ars than on Cenus*

"he greenhouse e33e&t is ust beginning to ha##en on $ars while it has been going on 3or a very long time on Cenus*

Question 1 (161466):hy is Iu#iterAs moon Fo vol&ani&! "y#e:$ulti#le %hoi&e 'ointsaware:* + 1* Your ,nswer(s): ,ll o3 the above*

%orre&t answer(s):Ft is &onstantly being squee=e an stret&he by the tial 3or&es ue to massive Iu#iteran the three other large moons o3 Iu#iter* "his #rou&es heat in FoAs interior*%onstant bombarment by meteorois is &ontinually o#ening u# the &rust allowing lava3rom below to s#ill out onto the sur3a&e*Ft is still &ooling o33 3rom when it 3orme so hot material 3rom below wors its way tothe sur3a&e*,ll o3 the above*

Question / (16141):,bout how large are the largest Iovian satellites! "y#e:$ulti#le%hoi&e 'oints aware:* + 1* Your ,nswer(s): "hey are all mu&h larger than thelargest "errestrial #lanet*%orre&t answer(s):

Iu#iterAs largest satellites are similar in si=e to "errestrial #lanets*"hey are all mu&h larger than the largest "errestrial #lanet*"hey are all mu&h smaller than the smallest "errestrial #lanet*"hey are the si=e o3 a ty#i&al asteroi*

Question 2 (16146):hat is unusual about Iu#iterAs moon 8uro#a! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): 8uro#a may have a relatively warmliqui o&ean beneath an i&e &rust* "his woul be the only nown liqui water o&ean otherthan those on the sur3a&e o3 the 8arth*



%orre&t answer(s): 8uro#a is the most vol&ani&ally a&tive moon in the solar system*8uro#a may have a relatively warm liqui o&ean beneath an i&e &rust* "his woul be theonly nown liqui water o&ean other than those on the sur3a&e o3 the 8arth*8uro#a is the largest moon in the solar system*"he sur3a&e o3 8uro#a is &overe with a liqui water o&ean*

Question 4 (161462):0ow was the #lanet >e#tune is&overe "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): ,stronomers ha noti&e that the motion o3ranus i not agree with what was #rei&te by >ewtonAs laws o3 motion* "o a&&ount3or these #erturbations in the motion o3 ranus astronomers #osite a massive #lanet at a #arti&ular #la&e in its orbit beyon ranus* 7ubsequent observations o3 that #la&e revelethe #resen&e o3 the #lanet >e#tune*%orre&t answer(s): ,&&oring to the "itus.Eoe law a #lanet shoul e-ist with an orbitalraius o3 about 19*/ ,* "his mat&hes what was is&overe by 0ers&hel to be the #re&iselo&ation o3 the #lanet >e#tune*,stronomers ha noti&e that the motion o3 ranus i not agree with what was #rei&te by >ewtonAs laws o3 motion* "o a&&ount 3or these #erturbations in the motiono3 ranus astronomers #osite a massive #lanet at a #arti&ular #la&e in its orbit beyonranus* 7ubsequent observations o3 that #la&e revele the #resen&e o3 the #lanet

>e#tune*"he #osition o3 the #lanet >e#tune was #rei&te by 'tolemy when he observe a largeobe&t beyon the orbit o3 7aturn*"he #lanet >e#tune was #rei&te by astrologers who 3elt a #resen&e while &om#utinghoros&o#es*

Question 5 (16146):0ow is 7aturnAs moon "itan able to hol onto its atmos#here!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Ft is very &ol at "itan*%ol gases are more easily hel in #la&e by gravity so although "itian is the si=e o3$er&ury it is able to &ling to this gol gas*%orre&t answer(s): "itan has no a##re&iable atmos#here so the question is meaningless* >itrogen is very very heavy so "itan is able to hol on even though there is not mu&hgravity*"itan oes not s#in on its a-is so the atmos#here is not thrown o33*Ft is very &ol at "itan* %ol gases are more easily hel in #la&e by gravity so although"itian is the si=e o3 $er&ury it is able to &ling to this gol gas*

Question 6 (161469):hat o 8uro#a o3 Iu#iter an "itan o3 7aturn have in &ommon!"y#e:$ulti#le %hoi&e 'oints aware:* + 1* Your ,nswer(s): "hey are the only twomoons in the solar system with thi& atmos#heres*%orre&t answer(s): "hey are both interesting 3rom the #ers#e&tive o3 the sear&h 3or li3e beyon 8arth*"hey are both believe to have a liqui water o&ean beneath their sur3a&es*"hey are the only two moons in the solar system with thi& atmos#heres*"hey both have evien&e o3 geologi&al a&tivity in the 3orm o3 vol&anoes or guysers*

Question (1614):hat o Fo o3 Iu#iter an "riton o3 >e#tune have in &ommon!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): "hey both haveevien&e o3 geologi&al a&tivity in the 3orm o3 vol&anoes or guysers*%orre&t answer(s): "hey are both interesting 3rom the #ers#e&tive o3 the sear&h 3or li3e beyon 8arth*"hey are both believe to have a liqui water o&ean beneath their sur3a&es*"hey both have evien&e o3 geologi&al a&tivity in the 3orm o3 vol&anoes or guysers*"hey are the only two moons in the solar system with thi& atmos#heres*



Question (16144):hat was the Breat <ar 7#ot! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): , large storm system on >e#tune similar to theBreat ;e 7#ot on Iu#iter*%orre&t answer(s): , large #ermanent storm on Iu#iter*, large storm system on >e#tune similar to the Breat ;e 7#ot on Iu#iter*, large bla& &lou #rou&e by guysers on the sur3a&e o3 "riton*

, large sin hole on the sur3a&e o3 "itan*

Question 9 (161461):hat are 7he#her $oons! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): 7he#her moons are small moons or large ring #arti&les that serve to ee# a ring in #la&e*%orre&t answer(s): 7he#her moons are the 3our largest moons aroun Iu#iter*7he#her moons are 3ull moon #hases whi&h o&&ur twi&e in one &alenar month*7he#her moons are small moons or large ring #arti&les that serve to ee# a ring in #la&e*7he#her moons are moons that have their own rings aroun them*

Question 1 (161465):hat is Iu#iterAs Breat ;e 7#ot! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): , long lasting #ossibly #ermanent storm*

%orre&t answer(s): , massive im#a&t &rater on the sur3a&e o3 Iu#iter*

, large hole in the atmos#here o3 Iu#iter revealing lower level atmos#heri& gases*, large 3ire burning in Iu#iterAs u##er atmos#here*

, long lasting #ossibly #ermanent storm*

Question 1 (16146/):0ow was the #osition o3 #lanet ranus #rei&te! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): ,&&oring to the "itus.Eoe law a #lanet shoul e-ist with an orbital raius o3 about 19*/ ,* "his mat&hes what wasis&overe by 0ers&hel to be the #re&ise lo&ation o3 the #lanet ranus*%orre&t answer(s): ,&&oring to the "itus.Eoe law a #lanet shoul e-ist with an orbitalraius o3 about 19*/ ,* "his mat&hes what was is&overe by 0ers&hel to be the #re&iselo&ation o3 the #lanet ranus*,stronomers ha noti&e that the motion o3 7aturn i not agree with what was #rei&te

by >ewtonAs laws o3 motion* "o a&&ount 3or these #erturbations in the motion o3 7aturnastronomers #osite a massive #lanet at a #arti&ular #la&e in its orbit beyon saturn*7ubsequent observations o3 that #la&e revele the #resen&e o3 the #lanet ranus*"he #osition o3 the #lanet ranus was #rei&te by 'tolemy when he observe a largeobe&t beyon the orbit o3 7aturn*"he #lanet ranus was #rei&te by astrologers who 3elt a #resen&e while &om#utinghoros&o#es*

Question / (161464):O3 what two gases are the Iovian #lanets #rimarily &om#ose!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 0yrogen an 0elium%orre&t answer(s): 0yrogen an $ethane$ethane an >itrogen0yrogen an 0elium >itrogen an 0elium*

Question 2 (16145):hat is the ;o&he limit! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): "he ;o&he limit is the istan&e 3rom the &enter o3 a #lanet about /*5 times the raius o3 the #lanet within whi&h the tial 3or&es are toostrong 3or the mutual gravitation o3 the ring #arti&les to #ull together to 3orm a moon*%orre&t answer(s): "he ;o&he limit is the ma-imum istan&e 3rom a #lanet at whi&h amoon &an 3orm*"he ;o&he limit is the ma-imum istan&e above the sur3a&e o3 a #lanet at whi&h an



atmos#here &an be*"he ;o&he limit is the istan&e 3rom the &enter o3 a #lanet about /*5 times the raius o3the #lanet within whi&h the tial 3or&es are too strong 3or the mutual gravitation o3 thering #arti&les to #ull together to 3orm a moon*"he ;o&he limit is the minimum number o3 moons that a #lanet &an #osses*

Question 4 (16145):0ow o we thin #lanetary ring systems 3orme! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): ;ings were on&e moons that weretorn a#art by the strong tial 3or&es within the ;o&he limit o3 the host #lanet*%orre&t answer(s): ;ings were on&e moons that were torn a#art by the strong tial 3or&eswithin the ;o&he limit o3 the host #lanet*;ings 3orme 3rom the surrouning solar nebula at the same time that the #lanets 3orme*;ings were 3orme 3rom material that was s#un out o3 the #lanetsA atmos#heres ue to thera#i rotation o3 the Iovians* >one o3 the above*

Question 5 (16146):hat is unusual about Iu#iterAs moon 8uro#a! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): 8uro#a may have a relatively warmliqui o&ean beneath an i&e &rust* "his woul be the only nown liqui water o&ean other

than those on the sur3a&e o3 the 8arth*%orre&t answer(s): 8uro#a is the most vol&ani&ally a&tive moon in the solar system*8uro#a may have a relatively warm liqui o&ean beneath an i&e &rust* "his woul be theonly nown liqui water o&ean other than those on the sur3a&e o3 the 8arth*8uro#a is the largest moon in the solar system*"he sur3a&e o3 8uro#a is &overe with a liqui water o&ean*

Question 6 (161466):hy is Iu#iterAs moon Fo vol&ani&! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): Ft is &onstantly being squee=e an stret&he by thetial 3or&es ue to massive Iu#iter an the three other large moons o3 Iu#iter* "his #rou&es heat in FoAs interior*%orre&t answer(s): Ft is &onstantly being squee=e an stret&he by the tial 3or&es ue tomassive Iu#iter an the three other large moons o3 Iu#iter* "his #rou&es heat in FoAsinterior*%onstant bombarment by meteorois is &ontinually o#ening u# the &rust allowing lava3rom below to s#ill out onto the sur3a&e*Ft is still &ooling o33 3rom when it 3orme so hot material 3rom below wors its way tothe sur3a&e*,ll o3 the above*

Question (16146):0ow is 7aturnAs moon "itan able to hol onto its atmos#here!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Ft is very &ol at "itan*%ol gases are more easily hel in #la&e by gravity so although "itian is the si=e o3$er&ury it is able to &ling to this gol gas*%orre&t answer(s): "itan has no a##re&iable atmos#here so the question is meaningless*

>itrogen is very very heavy so "itan is able to hol on even though there is not mu&hgravity*"itan oes not s#in on its a-is so the atmos#here is not thrown o33*Ft is very &ol at "itan* %ol gases are more easily hel in #la&e by gravity so although"itian is the si=e o3 $er&ury it is able to &ling to this gol gas*

Question (16146):hy are tial 3or&es im#ortant in Iovian #lanet systems!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Ee&ause the tial3or&es are what ultimately &reate the ring systems aroun the Iovian #lanets*%orre&t answer(s): Ee&ause tial 3or&es are res#onsible 3or the 3a&t that Iovian #lanets



have many moons*Ee&ause the tial 3or&es are what ultimately &reate the ring systems aroun the Iovian #lanets*Ee&ause tial 3or&es ee# the Iovian #lanets in orbit aroun the 7un*Ee&ause tial 3or&es hol the gases on the Iovian #lanets*

Question 9 (161469):hat o 8uro#a o3 Iu#iter an "itan o3 7aturn have in &ommon!"y#e:$ulti#le %hoi&e 'oints aware:* + 1* Your ,nswer(s): "hey are both believeto have a liqui water o&ean beneath their sur3a&es*%orre&t answer(s): "hey are both interesting 3rom the #ers#e&tive o3 the sear&h 3or li3e beyon 8arth*"hey are both believe to have a liqui water o&ean beneath their sur3a&es*"hey are the only two moons in the solar system with thi& atmos#heres*"hey both have evien&e o3 geologi&al a&tivity in the 3orm o3 vol&anoes or guysers*

Question 1 (1614/):hat &auses the bluish &olor o3 ranus an >e#tune!

"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): "he #resen&e o3

atmos#heri& methane gas is res#onsible 3or the bluish &olor o3 ranus an >e#tune*

%orre&t answer(s): "he #resen&e o3 atmos#heri& nitrogen is res#onsible 3or the bluish&olor o3 ranus an >e#tune*

"hey are both &overe with liqui water o&eans*"he #resen&e o3 atmos#heri& methane gas is res#onsible 3or the bluish &olor o3 ranus

an >e#tune*

>one o3 the above*

Question 1 (1615/1):hy must some ty#es o3 teles&o#es be #la&e in orbit!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): "o get above theatmos#heri& absor#tion*%orre&t answer(s): "o get &loser to the obe&ts being observe*Ee&ause it is arer there*"o get above the atmos#heri& absor#tion*,ll o3 the above*

Question / (161511):On what oes the &olor o3 light e#en! "y#e:$ulti#le %hoi&e'oints aware:* + 1* Your ,nswer(s): "he s#ee o3 the light wave*%orre&t answer(s): avelength an there3ore 3requen&y*"he s#ee o3 the light wave*"he ,m#litue o3 the light wave*,ll o3 the above*

Question 2 (16151):hi&h is more energeti& a re or a violet #hoton! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): Ciolet%orre&t answer(s): ;e

CioletEoth are equally energeti&*

Question 4 (1615/4):hat two things &an be learne 3rom e-amining the s#e&trum o3 astar! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Fts tem#eraturean &om#osition*%orre&t answer(s): Fts mass an its istan&e 3rom us*Fts mass an its tem#erature*Fts istan&e 3rom us an its &om#osition*



Fts tem#erature an &om#osition*

Question 5 (1615/):hat are the 3a&tors involve in goo HseeingA 3or a teles&o#e!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): ,ll o3 the above*%orre&t answer(s): Low atmos#heri& turbulen&e$inimal light #ollution

"hin atmos#here*,ll o3 the above*

Question 6 (16151):hi&h o3 the 3ollowing lists the 3our most &ommon &olors o3 starsin orer 3rom the hottest to the &oolest! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1*Your ,nswer(s): Elue hite Yellow ;e%orre&t answer(s): hite Yellow Elue ;e;e Yellow hite ElueElue hite Yellow ;e;e Elue hite Yellow

Question (161519):hi&h o3 the 3ollowing ty#es o3 ele&tromagneti& waves #enetrateour atmos#here the best! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your

,nswer(s): ;aio%orre&t answer(s): ltraviolet;aioFn3rareJ.;ays

Question (161514):hat ty#e o3 ele&tromagneti& wave &omes 3rom the highesttem#erature sour&es! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):J.;ays%orre&t answer(s): J.;aysCisibleFn3rare;aio

Question 9 (161516):hi&h ty#e o3 ele&tromagneti& wave travels through the va&uumo3 s#a&e the 3astest! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):,ll ele&tromagneti& waves travel through s#a&e at the same s#ee*%orre&t answer(s): J.;aysCisible;aio,ll ele&tromagneti& waves travel through s#a&e at the same s#ee*

Question 1 (1615/2):hi&h ty#e o3 s#e&trum o stars #rou&e! "y#e:$ulti#le %hoi&e

'oints aware:1* + 1* Your ,nswer(s): ,bsor#tion*

%orre&t answer(s): "hermal or &ontinuous*

,bsor#tion*8mission*

;e3le&tion*

Question 1 (1615/2):hi&h ty#e o3 s#e&trum o stars #rou&e! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): ,bsor#tion*%orre&t answer(s): "hermal or &ontinuous*,bsor#tion*8mission*



;e3le&tion*

Question / (1615//):hat is meant by the Hsi=eA o3 a teles&o#e! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): "he iameter o3 the obe&tive lens or #rimarymirror*%orre&t answer(s): "he iameter o3 the obe&tive lens or #rimary mirror*

"he storage &a#a&ity o3 the ele&troni& sensors*"he length o3 the tube*"he istan&e between the eye#ie&e an the obe&tive lens*

Question 2 (161511):On what oes the &olor o3 light e#en! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): avelength an there3ore 3requen&y*%orre&t answer(s): avelength an there3ore 3requen&y*"he s#ee o3 the light wave*"he ,m#litue o3 the light wave*,ll o3 the above*

Question 4 (1615/5):hi&h o3 the 3ollowing lists the s#e&tral.ty#es o3 the 3our most&ommon &olors o3 stars in orer 3rom &oolest to hottest! "y#e:$ulti#le %hoi&e 'oints

aware:1* + 1* Your ,nswer(s): $ G , E%orre&t answer(s): E , G $$ G E ,$ G , EE G $ ,

Question 5 (1615/1):hy must some ty#es o3 teles&o#es be #la&e in orbit!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): "o get above theatmos#heri& absor#tion*%orre&t answer(s): "o get &loser to the obe&ts being observe*Ee&ause it is arer there*"o get above the atmos#heri& absor#tion*,ll o3 the above*

Question 6 (1615/4):hat two things &an be learne 3rom e-amining the s#e&trum o3 astar! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Fts tem#eraturean &om#osition*%orre&t answer(s): Fts mass an its istan&e 3rom us*Fts mass an its tem#erature*Fts istan&e 3rom us an its &om#osition*Fts tem#erature an &om#osition*

Question (1615/):hat are the 3a&tors involve in goo HseeingA 3or a teles&o#e!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): ,ll o3 the above*%orre&t answer(s): Low atmos#heri& turbulen&e

$inimal light #ollution"hin atmos#here*,ll o3 the above*

Question (161519):hi&h o3 the 3ollowing ty#es o3 ele&tromagneti& waves #enetrateour atmos#here the best! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): ;aio%orre&t answer(s): ltraviolet;aioFn3rare



J.;ays

Question 9 (161512):hat is the shortest wavelength ele&tromagneti& wave!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): J.;ays%orre&t answer(s): J.;aysCisible

Fn3rare;aio

Question 1 (161515):hat ty#e o3 ele&tromagneti& wave &omes 3rom the lowesttem#erature sour&es! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):

;aio

%orre&t answer(s): J.;aysCisible

Fn3rare

;aio

Question 1 (1615/):?in the stars ;igel an Eetelgeuse in table 9*1* hi&h is larger!

"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Eetelgeuse%orre&t answer(s): ;igelEetelgeuse"here is not enough in3ormation in table 9*1 to answer this question*

Question / (161566):"he 7unAs absolute magnitue is about K4** ,re most o3 the starsin table 9*/ intrinsi&ally brighter or immer than the 7un! "y#e:$ulti#le %hoi&e 'ointsaware:* + 1* Your ,nswer(s): $ost are intrinsi&ally brighter than the 7un*%orre&t answer(s): $ost are intrinsi&ally brighter than the 7un*$ost are intrinsi&ally immer than the 7un*"here is not enough in3ormation in table 9*/ to answer this question*

Question 2 (16154):0ow is the mass o3 a star etermine ire&tly! "y#e:$ulti#le%hoi&e 'oints aware:* + 1* Your ,nswer(s): Ey measuring the absolutemagnitue* "he brighter the star the more massive*%orre&t answer(s): Ey measuring the absolute magnitue* "he brighter the star the moremassive*Ey measuring its tem#erature* "he hotter the star the more massive*Ey observing its orbital #erio about its &om#anion star*Ft is not #ossible to ire&tly etermine the mass o3 a star*

Question 4 (161562):hat is true regaring the a&tual brightness o3 most o3 the stars intable 9*/! "y#e:$ulti#le %hoi&e 'oints aware:* + 1* Your ,nswer(s): $osta&tually are very bright*%orre&t answer(s): $ost a&tually are very im*$ost a&tually are very bright*"here is not enough in3ormation in table 9*/ to answer this question*

Question 5 (16156):On the 0.; iagram DDDDDDDDDDDDDDDDDD stars are &ool anim* "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): ;e <war3 %orre&t answer(s): $ile o3 the $ain 7equen&e (the 7un);e Bianthite <war3 Elue Biant



;e <war3

Question 6 (16152):?in the stars Wolf 359 an Procyon B in table 9*/* hi&h is lielysmaller! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 'ro&yon E%orre&t answer(s): 'ro&yon Eol3 259

"here is not enough in3ormation in table 9*/ to answer this question*

Question (161569):On the 0.; iagram DDDDDDDDDDDDDDDDDD stars are &ool but bright* "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): ;e Biant%orre&t answer(s): $ile o3 the $ain 7equen&e (the 7un);e Bianthite <war3 Elue Biant;e <war3

Question (161564):'ro-ima %entauri has a #aralla- angle o3 */ se&ons o3 ar&*hat shoul be true about the #aralla- angles o3 all other stars in table 9*/!"y#e:$ulti#le %hoi&e 'oints aware:* + 1* Your ,nswer(s): "hey will all have

larger #aralla- angles*%orre&t answer(s): "hey will all have larger #aralla- angles*"hey will all have smaller #aralla- angles*"here is not enough in3ormation in table 9*/ to answer this question*

Question 9 (161565):"he 7unAs absolute magnitue is about K4** ,re most o3 the starsin table 9*1 intrinsi&ally brighter or immer than the 7un! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): $ost are intrinsi&ally brighter than the 7un*%orre&t answer(s): $ost are intrinsi&ally brighter than the 7un*$ost are intrinsi&ally immer than the 7un*"here is not enough in3ormation in table 9*1 to answer this question*

Question 1 (16155):F3 other stars in table 9*1 (te-tboo) are more luminous than

7irius how &an 7irius a##ear the brightest o3 all stars! "y#e:$ulti#le %hoi&e 'ointsaware:* + 1* Your ,nswer(s): Ft is mu&h 3urther away than most stars*

%orre&t answer(s): Ft is mu&h 3urther away than most stars*

Ft must be mu&h bigger than the other stars*

Ft is &loser than most stars*"he question oes not mae sense be&ause 7irius oes >O" a##ear bright*

Question 1 (161566):"he 7unAs absolute magnitue is about K4** ,re most o3 the starsin table 9*/ intrinsi&ally brighter or immer than the 7un! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): $ost are intrinsi&ally immer than the 7un*%orre&t answer(s): $ost are intrinsi&ally brighter than the 7un*$ost are intrinsi&ally immer than the 7un*"here is not enough in3ormation in table 9*/ to answer this question*

Question / (161559):hat &olor are the hottest stars in table 9*1! "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): Elue%orre&t answer(s): ;eElueYellow"here is not enough in3ormation in table 9*1 to answer this question*



Question 2 (16155):0ow o the masses o3 stars on the u##er.le3t &orner o3 the 0.;iagram &om#are to the masses o3 stars at the lower.right o3 the 0.; iagram!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): "hey are moremassive*%orre&t answer(s): "hey are more massive*

"hey are less massive*"hey are about the same mass*"here is no way to tell the i33eren&e*

Question 4 (16156/):>ow re3er to table 9*/ in the te-t* hat is true regaring thea##arent brightness o3 most o3 the stars in table 9*/! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): $ost a##ear very im*%orre&t answer(s): $ost a##ear very im*$ost a##ear very bright*"here is not enough in3ormation in table 9*/ to answer this question*

Question 5 (1615/):?in the stars ;igel an Eetelgeuse in table 9*1* hi&h is larger!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Eetelgeuse

%orre&t answer(s): ;igelEetelgeuse"here is not enough in3ormation in table 9*1 to answer this question*

Question 6 (161562):hat is true regaring the a&tual brightness o3 most o3 the stars intable 9*/! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): $osta&tually are very im*%orre&t answer(s): $ost a&tually are very im*$ost a&tually are very bright*"here is not enough in3ormation in table 9*/ to answer this question*

Question (16155):F3 other stars in table 9*1 (te-tboo) are more luminous than 7iriushow &an 7irius a##ear the brightest o3 all stars! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): Ft is &loser than most stars*%orre&t answer(s): Ft is mu&h 3urther away than most stars*Ft must be mu&h bigger than the other stars*Ft is &loser than most stars*"he question oes not mae sense be&ause 7irius oes >O" a##ear bright*

Question (16156):On the 0.; iagram DDDDDDDDDDDDDDDDDD stars are &ool anim* "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): ;e <war3 %orre&t answer(s): $ile o3 the $ain 7equen&e (the 7un);e Bianthite <war3 Elue Biant

;e <war3

Question 9 (16155):hi&h stars in "able 9*1 are among the hottest! "y#e:$ulti#le%hoi&e 'oints aware:* + 1* Your ,nswer(s): 7irius an <eneb%orre&t answer(s): Eetelgeuse an ,ntares7irius an <eneb7#i&a an 0aar "here is not enough in3ormation in table 9*1 to answer this question*



Question 1 (16151):On the 0.; iagram DDDDDDDDDDDDDDDDDD stars are between hotan &ool an between im an bright* "y#e:$ulti#le %hoi&e 'oints aware:1* + 1*

Your ,nswer(s): $ile o3 the $ain 7equen&e (the 7un)

%orre&t answer(s): $ile o3 the $ain 7equen&e (the 7un);e Biant

hite <war3 Elue Biant

;e <war3

Question 1 (1616//):hi&h o3 the 3ollowing lists the layers o3 the 7un in orer 3rominnermost to outermost* "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): %ore ;aiation @one %onve&tion @one 'hotos#here %hromos#here%orona*%orre&t answer(s): >u&leus %onve&tion @one ;aiation @one 'hotos#here%hromos#here %orona*%ore 'hotos#here ;aiation @one %onve&tion @one %hromos#here %orona*%orona %hromos#here 'hotos#here %onve&tive @one ;aiative @one %ore*%ore ;aiation @one %onve&tion @one 'hotos#here %hromos#here %orona*

Question / (1616/5):"he state in whi&h a starAs gravitational &olla#se is balan&e between gravity #ushing inwar an gas #ressure #ushing outwar is &alle"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 0yrostati&equilibrium%orre&t answer(s): "hermonu&lear ?usion"he 'hotos#here0yrostati& equilibrium, 7u#ernova 8-#losion

Question 2 (1616/1):hat is the energy sour&e 3or $ain 7equen&e stars! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): "hermonu&lear 3usion o3 0yrogeninto 0elium*%orre&t answer(s): "hermonu&lear 3usion o3 0elium into %arbon*"hermonu&lear 3usion o3 0yrogen into 0elium*%hemi&al burning o3 &oal an+or oil*7u#ernova e-#losions in their &ores*

Question 4 (1616/):, DDDDDDDDDDDDD is a massive obe&t that 3orms insie agravitationally &olla#sing nebula* "he obe&t will eventually be&ome a star* "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): 'rotostar %orre&t answer(s): $ain 7equen&e star Ela& 0ole'rotostar Erown <war3

Question 5 (161619):hat obe&ts are &onsiere the Hbirth#la&eA o3 stars!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): >ebulae &om#ose #rimarily o3 hyrogen gas an ust*%orre&t answer(s): >ebulae &om#ose #rimarily o3 hyrogen gas an ust*0ot gas &lous &om#ose mostly o3 heavy elements su&h as Fron an Lea*Fn ee# s#a&e where there are no other stars #lanets or nebulae*"he &enter o3 gala-ies*



Question 6 (1616/4):hat is the relationshi# between the mass o3 a star an how longthe star will live! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):0igher mass stars live shorter lives*%orre&t answer(s): 0igher mass stars live shorter lives*0igher mass stars live longer lives*"he mass is not a 3a&tor in the li3es#an o3 a star*

Question (161621):0ow o we ete&t bla& holes! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): Ey e-amining surrouning material that is a33e&te by the strong gravitational #ull o3 a bla& hole*%orre&t answer(s): Ey sening s#a&e #robes into their vi&inity an measuring theirmotion*Ey ire&t observation*Ey e-amining surrouning material that is a33e&te by the strong gravitational #ull o3 a bla& hole*e &annot ete&t Ela& 0oles*

Question (1616/):hat ty#e o3 obe&t &oul be es&ribe as Halmost but not quite astarA! "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Erown <war3

%orre&t answer(s): 'lanet;e <war3 Erown <war3 >one o3 the above

Question 9 (1616/):hen a ;e Biant 3inally throws o33 about hal3 o3 its mass intos#a&e it 3orms a "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s):'lanetary >ebula%orre&t answer(s): 'lanetary >ebula7u#ernova 8-#losionEla& 0ole'rotostar

Question 1 (1616/2):, grou# o3 hunres or even thousans o3 stars whi&h 3orme3rom a single nebula is &alle a "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your

,nswer(s): 7tar %luster

%orre&t answer(s): %onstellation7tar %luster

, 7olar 7ystem

, Bala-y

Question 1 (16161):hi&h o3 the 3ollowing lists the 3our ty#es o3 gala-ies ienti3ie by8win 0ubble* "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 7#iralEarre.7#iral 8lli#ti&al an Frregular %orre&t answer(s): 7#iral Earre.7#iral 8lli#ti&al an Frregular 7#iral $ily ay 8lli#ti&al an Frregular 8lli#ti&al Quasar 7#iral an Frregular 8lli#ti&al Frregular >ebular 7#iral

Question / (161669):"he %ha#ley.%urtis <ebate &on&erne the lo&ation o3"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 7#iral >ebulae*%orre&t answer(s): "he $ily ay gala-y*7#iral >ebulae*"he 7un within the $ily ay gala-y*



%enter o3 the niverse*

Question 2 (16164):On the 0ubble istan&e laer whi&h te&hnique is use3ul 3oretermining the istan&es to obe&ts lo&ate about 1 #arse&s away! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): 'aralla-%orre&t answer(s): ;aar

0ubbleAs Law$easuring the #erio o3 variable stars an a##lying the 'erio.Luminosity relationshi#*'aralla-

Question 4 (1616):0ow was the 7ha#ley.%urtis <ebate resolve! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): ,stronomer 8win 0ubble was ableto etermine that the istan&e to a variable star in the ,nromea nebula was over amillion light.years away*%orre&t answer(s): "he ebate has yet to be resolve*0arlow 7ha#ley won the ebate stating that the 7#iral >ebulae were within our own$ily way gala-y*0erber %urtis won the ebate by stating that the 7#iral >ebulae were ine#enentgala-ies*

,stronomer 8win 0ubble was able to etermine that the istan&e to a variable star in the,nromea nebula was over a million light.years away*

Question 5 (1616/):"he $ily ay gala-y is most liely an e-am#le o3 whi&h ty#e o3gala-y! "y#e:$ulti#le %hoi&e 'oints aware:* + 1* Your ,nswer(s): Frregular %orre&t answer(s): 7#iralEarre 7#iral8lli#ti&alFrregular

Question 6 (16166):%urrently the 7un is thought to be lo&ate in the gala&ti& DDDDDDDDDDDDD about DDDDDDDDDDDD the &enter o3 the gala-y* "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): <is / thousan light.years 3rom%orre&t answer(s): 0alo 5 thousan light.years 3rom >u&leus very near<is / thousan light.years 3rom<is 1 light.years 3rom

Question (16166):hat are 3oun at the &enters o3 most gala-ies! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): 7u#ermassive Ela& 0oles*%orre&t answer(s): 7u#ermassive Ela& 0oles* >othing*8-tremely massive bright stars*'ulsars

Question (16165):On the 0ubble istan&e laer whi&h te&hnique is use3ul 3oretermining the istan&e to an obe&t lo&ate beyon 15 million #arse&s away*

"y#e:$ulti#le %hoi&e 'oints aware:* + 1* Your ,nswer(s): 0ubbleAs Law

%orre&t answer(s): ;aar 0ubbleAs Law

$easuring the #erio o3 variable stars an a##lying the 'erio.Luminosity relationshi#*

'aralla-

Question 1 (16166):%urrently the 7un is thought to be lo&ate in the gala&ti&



DDDDDDDDDDDDD about DDDDDDDDDDDD the &enter o3 the gala-y* "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): <is / thousan light.years 3rom%orre&t answer(s): 0alo 5 thousan light.years 3rom >u&leus very near<is / thousan light.years 3rom<is 1 light.years 3rom

Question / (16161):hi&h o3 the 3ollowing lists the 3our ty#es o3 gala-ies ienti3ie by8win 0ubble* "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 7#iralEarre.7#iral 8lli#ti&al an Frregular %orre&t answer(s): 7#iral Earre.7#iral 8lli#ti&al an Frregular 7#iral $ily ay 8lli#ti&al an Frregular 8lli#ti&al Quasar 7#iral an Frregular 8lli#ti&al Frregular >ebular 7#iral

Question 2 (16162):"he sha#e o3 our gala-y was etermine Hon the insie looingoutA by surveying the $ily ay using DDDDDDDDDDDD teles&o#es* "y#e:$ulti#le %hoi&e'oints aware:* + 1* Your ,nswer(s): Fn3rare%orre&t answer(s): O#ti&al

J.;ay;aioFn3rare

Question 4 (161669):"he %ha#ley.%urtis <ebate &on&erne the lo&ation o3"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): 7#iral >ebulae*%orre&t answer(s): "he $ily ay gala-y*7#iral >ebulae*"he 7un within the $ily ay gala-y*%enter o3 the niverse*

Question 5 (16166):hat are 3oun at the &enters o3 most gala-ies! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): 7u#ermassive Ela& 0oles*%orre&t answer(s): 7u#ermassive Ela& 0oles* >othing*8-tremely massive bright stars*'ulsars

Question 6 (1616):0ow was the 7ha#ley.%urtis <ebate resolve! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): ,stronomer 8win 0ubble was ableto etermine that the istan&e to a variable star in the ,nromea nebula was over amillion light.years away*%orre&t answer(s): "he ebate has yet to be resolve*0arlow 7ha#ley won the ebate stating that the 7#iral >ebulae were within our own$ily way gala-y*

0erber %urtis won the ebate by stating that the 7#iral >ebulae were ine#enentgala-ies*,stronomer 8win 0ubble was able to etermine that the istan&e to a variable star in the,nromea nebula was over a million light.years away*

Question (16164):On the 0ubble istan&e laer whi&h te&hnique is use3ul 3oretermining the istan&es to obe&ts lo&ate about 1 #arse&s away! "y#e:$ulti#le%hoi&e 'oints aware:* + 1* Your ,nswer(s): $easuring the #erio o3 variablestars an a##lying the 'erio.Luminosity relationshi#*%orre&t answer(s): ;aar



0ubbleAs Law$easuring the #erio o3 variable stars an a##lying the 'erio.Luminosity relationshi#*'aralla-

Question (16165):On the 0ubble istan&e laer whi&h te&hnique is use3ul 3or

etermining the istan&e to an obe&t lo&ate beyon 15 million #arse&s away*

"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): $easuring the #erioo3 variable stars an a##lying the 'erio.Luminosity relationshi#*%orre&t answer(s): ;aar

0ubbleAs Law

$easuring the #erio o3 variable stars an a##lying the 'erio.Luminosity relationshi#*'aralla-

Question 1 (11664):hat is the &osmologi&al reshi3t! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): "he stret&hing o3 the wavelength o3 light that o&&urs by virtue o3 the 3a&t that &osmi& ba&groun #hotons have been traveling through s#a&ewhi&h is itsel3 e-#aning 3or billions o3 years*%orre&t answer(s): "he reshi3ting o3 light ue to the motion o3 the emitting obe&t away

3rom the observer*"he reshi3ting o3 light ue to the motion o3 the emitting obe&t away 3rom the observer*"he stret&hing o3 the wavelength o3 light that o&&urs by virtue o3 the 3a&t that &osmi& ba&groun #hotons have been traveling through s#a&e whi&h is itsel3 e-#aning 3or billions o3 years*"he slo#e o3 the #lot o3 gala-y re&essional velo&ity vs* istan&e*

Question / (11665):F3 all gala-ies are moving away 3rom us an the 3urther ones aremoving more ra#ily we now that "y#e:$ulti#le %hoi&e 'oints aware:1* + 1*Your ,nswer(s): "he niverse is e-#aning but there is no #re3erre or s#e&ial lo&ationin the niverse in orer to observe this* ,ny observer in any gala-y woul observe thesame motions in the niverse*%orre&t answer(s): "he niverse is e-#aning but there is no #re3erre or s#e&iallo&ation in the niverse in orer to observe this* ,ny observer in any gala-y woulobserve the same motions in the niverse*Ft is most liely some sort o3 illusion* "he niverse is 3orever un&hanging*"he niverse is e-#aning an we are lo&ate at the &enter o3 that e-#ansion*"his motion will eventually reverse itsel3 an the niverse will shrin*

Question 2 (11666):"he niverse is DDDDDDDDDDDDDD years ol* "y#e:$ulti#le %hoi&e'oints aware:1* + 1* Your ,nswer(s): 12* billion%orre&t answer(s): 1 billion12* billion6an in3inite number o3

Question 4 (1166):0ow o we estimate the age o3 the niverse! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): Ey measuring the re&ession velo&itiesan the istan&es o3 istant gala-ies an noti&ing that these #arameters are intimatelyrelate to time*%orre&t answer(s): Ey observing the rotation rate o3 s#iral gala-ies an etermining whenthey must have begun to rotate*Ey reaing an&ient te-ts whi&h instru&t us on the origin o3 the niverse*Ey e-amining the s#e&tra o3 %e#hei Cariable stars in neighboring gala-ies*



Ey measuring the re&ession velo&ities an the istan&es o3 istant gala-ies an noti&ingthat these #arameters are intimately relate to time*

Question 5 (1166):hat is the &osmi& hori=on! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): "he ma-imum istan&e 3rom us through whi&h light3rom any obe&t has ha time to travel sin&e the Eig Eang*

%orre&t answer(s): "he ma-imum istan&e 3rom us through whi&h light 3rom any obe&thas ha time to travel sin&e the Eig Eang*"he istan&e 3rom a bla& hole at whi&h the es&a#e velo&ity is equal to the s#ee o3 light*"he istan&e at whi&h the &urvature o3 the niverse #rohibits us 3rom seeing over thehori=on*, s#a&e #robe tase with measuring the tem#erature o3 the &osmi& mi&rowave ba&groun raiation*

Question 6 (11669):,&&oring to the Eig Eang "heory the ensity an tem#erature o3the niverse is DDDDDDDDDDD now than in the #ast* "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): lower %orre&t answer(s): higher lower

about the same(all o3 the above)

Question (116):hat ha##ene be3ore the Eig Eang! "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): ?rom a theoreti&al stan#oint the question ismeaningless sin&e time itsel3 was &reate at the Eig Eang*%orre&t answer(s): "here was a HEig %run&hA o3 the #revious niverse*7omething e-#loe*?rom a theoreti&al stan#oint the question is meaningless sin&e time itsel3 was &reate atthe Eig Eang*, bla& hole 3orme 3ollowe by its isintegration an subsequent e-#losion*

Question (1161):hat evien&e is there 3or the Eig Eang theory! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): "he #resen&e o3 %osmi& $i&rowaveEa&groun raiation the behavior o3 subatomi& #arti&les in #arti&le #hysi&s e-#erimentsan the in3ormation re&eive 3rom istant quasars*%orre&t answer(s): "here is no evien&e to su##ort the Eig Eang theory*e &an a&tually witness the moment o3 the Eig Eang by e-amining images &olle&te bythe 0ubble 7#a&e "eles&o#e*"he 3a&t that li3e has emerge on at least one #lanet is evien&e enough that the Eig Eangtheory is &orre&t*"he #resen&e o3 %osmi& $i&rowave Ea&groun raiation the behavior o3 subatomi& #arti&les in #arti&le #hysi&s e-#eriments an the in3ormation re&eive 3rom istantquasars*

Question 9 (116/):, quasar is "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): an in3ant gala-y observe with a long loo.ba& time as it was 3orming*%orre&t answer(s): a su#ernova e-#losion in a istant gala-y*an in3ant gala-y observe with a long loo.ba& time as it was 3orming*a gala-y that 3orme #urely 3rom ar matter*"he 3or&e res#onsible 3or the in&rease e-#ansion rate o3 the niverse*

Question 1 (1162):"he in3lation #erio was #ro#ose "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): be&ause the niverse has a very uni3ormtem#erature #ro3ile an matter seems to have &lum#e into gala-ies leaving mostly em#ty



s#a&e*%orre&t answer(s): to a&&ount 3or the observe e-#ansion o3 the niverse*as a oe to rii&ule those s&ientists who insist that the niverse is steay state* be&ause the niverse has a very uni3orm tem#erature #ro3ile an matter seems to have&lum#e into gala-ies leaving mostly em#ty s#a&e*to &ountera&t 8insteinAs &osmologi&al &onstant*

Question 11 (1164):<ar matter is "y#e:$ulti#le %hoi&e 'oints aware:1* + 1*Your ,nswer(s): unseen mass that a&&ounts 3or the observe orbital velo&ities o3 stars inrotating gala-ies an in the behavior o3 gala&ti& &lusters*%orre&t answer(s): anything that re3le&ts very little light or no light at all*&om#ose o3 atoms an mole&ules that are insie gaseous nebulae*not real* "here is no evien&e 3or its e-isten&e*unseen mass that a&&ounts 3or the observe orbital velo&ities o3 stars in rotating gala-iesan in the behavior o3 gala&ti& &lusters*

Question 1/ (1165):<ar 8nergy is "y#e:$ulti#le %hoi&e 'oints aware:1* + 1*Your ,nswer(s): the re#ulsive 3or&e res#onsible 3or the in&reasing e-#ansion rate o3 theniverse*

%orre&t answer(s): the re#ulsive 3or&e res#onsible 3or the in&reasing e-#ansion rate o3 theniverse*"he attra&tive 3or&e lie gravity that will eventually #ull everything together in a HEig%run&hA*unseen mass that a&&ounts 3or the observe orbital velo&ities o3 stars in rotating gala-iesan in the behavior o3 gala&ti& &lusters*not real* "here is no evien&e 3or its e-isten&e*

Question 12 (1166):Ease on &urrent ata the ultimate 3ate o3 the niverse is that"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): the niverse will&ontinue to e-#an an the e-#ansion rate will &ontinue to in&rease*%orre&t answer(s): the e-#ansion will halt an then reverse with the niverse ening in aHEig %run&hA*the e-#ansion will eventually halt in an in3inite amount o3 time*the niverse will &ontinue to e-#an at the same rate that has been sin&e the Eig Eang*the niverse will &ontinue to e-#an an the e-#ansion rate will &ontinue to in&rease*

Question 14 (116):hy o some believe that the niverse is 3ine.tune 3or li3e!

"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Ee&ause many o3 the

3unamental &onstants o3 nature in a niverse where li3e emerge are 3ine.tune to thee-tent that i3 they were i33erent by even a very small amount li3e woul not have

emerge at all*

%orre&t answer(s): Ee&ause we humans must have a reason 3or being here*Ee&ause intelligent li3e must be the ultimate goal o3 any niverse esigne by a su#reme

being*Ee&ause many o3 the 3unamental &onstants o3 nature in a niverse where li3e emerge

are 3ine.tune to the e-tent that i3 they were i33erent by even a very small amount li3ewoul not have emerge at all*

Ee&ause many o3 the 3unamental &onstants o3 nature are &hanging as the niverse gets

oler an we now that these &onstants &hange right at the time that li3e was emergingon 8arth*

Question 1 (159):hat was #rou&e in the $iller.rey e-#eriment! "y#e:$ulti#le



%hoi&e 'oints aware:1* + 1* Your ,nswer(s): ,mino a&is%orre&t answer(s): 7ingle.&elle mi&ro.organismsEa&teria,mino a&is >othing

Question / (1591):Fs there li3e on $ars! "y#e:$ulti#le %hoi&e 'oints aware:* +1* Your ,nswer(s): Yes but only in the 3orm o3 mi&ro.organisms*%orre&t answer(s): "here is no e3initive evien&e that li3e e-ists or has ever e-iste on$ars*Yes but only in the 3orm o3 mi&ro.organisms*"here is &urrently no li3e on $ars but there was in the #ast*Yes* "here is a &ivili=ation whi&h has built &learly visible &anals to bring water 3rom themelting i&e.&a#s to the &ities an towns s#e&le a&ross the sur3a&e o3 the #lanet*

Question 2 (159/):Fn aition to earth an $ars DDDDDDDDD an DDDDDDDDD are&onsiere to be #romising #la&es in our solar system where li3e might evelo#*"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): "itan 8uro#a%orre&t answer(s): $ars 8uro#a

"itan 8uro#a8uro#a Iu#iter $ars Cenus

Question 4 (1592):"he <rae 8quation "y#e:$ulti#le %hoi&e 'oints aware:1* +1* Your ,nswer(s): 'rovies an estimate o3 how many #lanets there are in our gala-ythat may harbor te&hni&ally &ommuni&ative li3e.3orms*%orre&t answer(s): 'rovies an estimate o3 how many #lanets there are in the niversethat may harbor te&hni&ally &ommuni&ative li3e.3orms*'rovies an estimate o3 how many #lanets there are in the 7olar 7ystem that may harborte&hni&ally &ommuni&ative li3e.3orms*'rovies an estimate o3 how many #lanets there are in our gala-y that may harbor li3e.3orms o3 any in no matter how #rimitive they may be*'rovies an estimate o3 how many #lanets there are in our gala-y that may harborte&hni&ally &ommuni&ative li3e.3orms*

Question 5 (1594):"he most liely metho o3 &ommuni&ation with e-tra.terrestrialli3e.3orms is #robably through "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): ;aio%orre&t answer(s): ;aioFnterstellar s#a&e travel (s#a&e&ra3t)*7moe 7ignals*

Question 6 (1595):"he letters 78"F stan 3or the "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): 7ear&h 3or 8-tra."errestrial Fntelligen&e

%orre&t answer(s): 7ear&h 3or 8-tra."errestrial Fnvaers*7ear&h 3or 8-tra."errestrial Fntelligen&e7our&eboo o3 8-trasensory "ransient Fn&ients*7ear&h 3or 8vien&e o3 "errestrial.#lanet Fnhabitants*

Question (1596):'roe&t 78"F has been ongoing 3or about DDDDDDDD years an hasso 3ar &ommuni&ate with DDDDDDDDDD other &ivili=ations* "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): 5 =ero%orre&t answer(s): 1 =ero/ several



5 =ero1 /

Question (159):hat are the &han&es that raio transmissions 3rom 8arth or

messages sent on istant s#a&e #robes will ever be re&eive by living beings!"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Cery low*

%orre&t answer(s): ,bout 5*8-tremely high*Cery low*

Question 1 (159):hat was #rou&e in the $iller.rey e-#eriment! "y#e:$ulti#le%hoi&e 'oints aware:1* + 1* Your ,nswer(s): ,mino a&is%orre&t answer(s): 7ingle.&elle mi&ro.organismsEa&teria,mino a&is >othing

Question / (1591):Fs there li3e on $ars! "y#e:$ulti#le %hoi&e 'oints aware:1* +

1* Your ,nswer(s): "here is no e3initive evien&e that li3e e-ists or has ever e-iste on$ars*%orre&t answer(s): "here is no e3initive evien&e that li3e e-ists or has ever e-iste on$ars*Yes but only in the 3orm o3 mi&ro.organisms*"here is &urrently no li3e on $ars but there was in the #ast*Yes* "here is a &ivili=ation whi&h has built &learly visible &anals to bring water 3rom themelting i&e.&a#s to the &ities an towns s#e&le a&ross the sur3a&e o3 the #lanet*

Question 2 (159/):Fn aition to earth an $ars DDDDDDDDD an DDDDDDDDD are&onsiere to be #romising #la&es in our solar system where li3e might evelo#*"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): "itan 8uro#a%orre&t answer(s): $ars 8uro#a

"itan 8uro#a8uro#a Iu#iter $ars Cenus

Question 4 (1592):"he <rae 8quation "y#e:$ulti#le %hoi&e 'oints aware:1* +1* Your ,nswer(s): 'rovies an estimate o3 how many #lanets there are in our gala-ythat may harbor te&hni&ally &ommuni&ative li3e.3orms*%orre&t answer(s): 'rovies an estimate o3 how many #lanets there are in the niversethat may harbor te&hni&ally &ommuni&ative li3e.3orms*'rovies an estimate o3 how many #lanets there are in the 7olar 7ystem that may harborte&hni&ally &ommuni&ative li3e.3orms*'rovies an estimate o3 how many #lanets there are in our gala-y that may harbor li3e.3orms o3 any in no matter how #rimitive they may be*'rovies an estimate o3 how many #lanets there are in our gala-y that may harborte&hni&ally &ommuni&ative li3e.3orms*

Question 5 (1594):"he most liely metho o3 &ommuni&ation with e-tra.terrestrialli3e.3orms is #robably through "y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your,nswer(s): ;aio%orre&t answer(s): ;aioFnterstellar s#a&e travel (s#a&e&ra3t)*7moe 7ignals*



Question 6 (1595):"he letters 78"F stan 3or the "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): 7ear&h 3or 8-tra."errestrial Fntelligen&e%orre&t answer(s): 7ear&h 3or 8-tra."errestrial Fnvaers*7ear&h 3or 8-tra."errestrial Fntelligen&e7our&eboo o3 8-trasensory "ransient Fn&ients*

7ear&h 3or 8vien&e o3 "errestrial.#lanet Fnhabitants*

Question (1596):'roe&t 78"F has been ongoing 3or about DDDDDDDD years an hasso 3ar &ommuni&ate with DDDDDDDDDD other &ivili=ations* "y#e:$ulti#le %hoi&e 'ointsaware:1* + 1* Your ,nswer(s): 5 =ero%orre&t answer(s): 1 =ero/ several5 =ero1 /

Question (159):hat are the &han&es that raio transmissions 3rom 8arth ormessages sent on istant s#a&e #robes will ever be re&eive by living beings!

"y#e:$ulti#le %hoi&e 'oints aware:1* + 1* Your ,nswer(s): Cery low*

%orre&t answer(s): ,bout 5*8-tremely high*

Cery low*

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