Centaurus A

Milky Way

Andromeda

Which galaxy contains our solar system?

A

B

CScores

Egyptians

Greeks

Persians

Which ancient people gave the Milky Way Galaxy its name?

A

B

CScores

irregular

elliptical

spiral

What is the shape of the Milky Way galaxy?

A

B

CScores

100 billion to 400 billion

100 million to 400 million

100,000 to 400,000

How many stars is the Milky Way galaxy estimated to

contain?

A

B

CScores

the galactic halo

the galactic disk

the galactic center

The highest density of stars is found in which part of the

Milky Way?

A

B

CScores

the halo

the disk

the bulge or galactic center

Where are the youngest stars in the Milky Way Galaxy

located?

A

B

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a red giant star

a black hole

a supernova

What do astronomers believe is at the center of the Milky

Way?

A

B

CScores

Taurus A

Perseus A

Sagittarius A

What is the name of the supermassive black hole in the

center of the Milky Way?

A

B

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stars

dark matter

white dwarfs

What does most of the mass of the Milky Way appear to be

made of?

A

B

CScores

100,000

50,000

10,000

How many light years is the diameter of the Milky Way?

A

B

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asteroids

dust and gas

stars

What makes the galactic center of the Milky Way

difficult to see?

A

B

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Baade’s Window

Shapley’s Window

Hawking’s Window

What is the name of the area in the sky through which the

Galactic Center is more visible?

A

B

CScores

Gemini

Sagittarius

Cassiopeia

As viewed from Earth, the center of the Galaxy lies in the direction

of which constellation?

A

B

CScores

25,000

20,000

15,000

How many light years is Earth away from the Galactic

Center?

A

B

CScores

250 million years

250, 000 years

250 billion years

How long does it take our solar system to complete one orbit around

the center of the Milky Way?

A

B

CScores

the Galileo Group

the Hubble Group

the Local Group

Which group of galaxies does the Milky Way belong to?

A

B

CScores

50

20

10

Approximately, how many galaxies are there in the Local

Group?

A

B

CScores

Scorpius Supercluster

Virgo Supercluster

Leo Supercluster

Which supercluster is the Local Group part of?

A

B

CScores

Socrates

Plato

Democritus

Which Greek philosopher proposed that the Milky Way might consist of distant stars?

A

B

CScores

in 1620

In 1610

in 1600

When did Galileo prove that the Milky Way was made of

numerous faint stars?

A

B

CScores

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