Mars

Who wants to go?

https://www.youtube.com/watch?v=hAlCim21fDQ

Well, we did get there and here is how:

• https://www.youtube.com/watch?v=oNviFQpRvwQ

Throughout this video pay attention to the

technique of using models to get a concept

across. Note how they are explained and

defended. Also note how important it is to use

good models to explain a topic.

Upcoming Assignment

• We are currently on our 4th Planet powerpoint.

• Where are you in thinking of your model planet? 1 – 4?

• Brief outline of your ppt is due Friday, Dec 12.

Some fun Photos of Mystery

• .

Stats

• 4th planet from the sun. 228 million km

• Has two moons: Phobos and Deimos

• Mars year is 687 earth days

• Mars day is 24.6 earth hours

• smaller than earth: radius of about 3200 km

• mass is about 6.53E23 kg

• has season like earth because its tilt is 25.2o

Stats Continued

• Gravity: 3.7 m/s2 , 38% of earth

• Has the largest known

volcano:

• Mt.

Olympus

Mons

• Mars has

ice at the

poles

https://pds.jpl.nasa.gov/planets/captions/mars/olympus.htm

Valles Marineris

4000 km by7 km deep, or 2500 miby 4 mi, Grand Canyonis 500 mi by 1 mi deep

Mars Core and Atmosphere

• Mars is thought to have a solid core and

• crust similar to Earth.

• The atmosphere is thin and made of CO2

• Average temp is -46 oC, in the summer is can get to 20 oC.

Weather

• Forecast: Red sky at day, blue sky

• for the sunset. Large dust storm possible.

• Cold, Cold, Red, Red.

Phobos and Deimos

• Our moon is called Moon. The other planets moons are named to keep them separate.

• Phobos:

• fear

• Deimos:

• flight as

• in running

• away

Phobos

Orbits 3x/day

within 50 millionyears it eithercrash into Mars orbreak up and

form rings.

This moon is the closet one to any planet. Avg radius 11.1 km

6 mi crater

Phobos in color

Deimos

15x12x11 km

lumpy

orbits every30 hours

Avg radius 6.2km

Still interested in going?

• http://www.mars-one.com/

The End

• https://www.youtube.com/watch?v=VIksHVxEH2c

• http://www.universetoday.com/14709/symbol-for-mars/