ES Quiz 2 Galaxies and Stellar Evolution

What is a galaxy?

• A galaxy is a collection of asteroids.
• A galaxy is a massive system of stars, gas, dust, and dark matter bound by gravity.
• A galaxy is a type of planet.
• A galaxy is a small group of stars.

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VA.ES.2.b.

What is the name of our galaxy?

• Andromeda
• Triangulum
• Whirlpool
• Milky Way

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VA.ES.2.b.

All of the following are true about our galaxy, except

• The Milky Way contains billions of stars.
• The Milky Way is the only galaxy in the universe.
• The Milky Way is a spiral galaxy.
• Our solar system is about 28,000 ly from the center.

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VA.ES.2.b.

A​ (a)   is a massive, luminous sphere of hot gas and plasma held together by its own​ (b)   .

• star
• gravity
• planet
• asteroid
• black hole

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VA.ES.2.b.

Stars shine because of the process of nuclear__ in its core.

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VA.ES.2.b.

Match the following vocabulary terms.

• protostar

• 
• main sequence star

• 
• nebula

• 
• supernova

• 
• red giant

• 

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VA.ES.2.b.

What is the ultimate fate of our sun?

• neutron star

• black hole

• red giant

• white dwarf

• planetary nebula

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VA.ES.2.b.

Label the following stages of stellar evolution. Not all are used!

a

b

c

d

e

f

g

neutron star

main sequence

protostar

super giant

supernova

nebula

white dwarf

planetary nebula

black hole

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VA.ES.2.b.

At what point is a star considered "born"?

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VA.ES.2.b.

A star's evolution and ultimate fate is determined by its__

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VA.ES.2.b.