Astronomy Quiz #7 Milky Way Galaxy

An enormous group of millions or billions of stars and gas and dust held together by the force of gravity

• nebula

• galaxy

• galactic bulge

• galactic halo

What galaxy are we in?

• Andromeda

• Needle Galaxy

• The Milky Way Galaxy

• Sombrero Galaxy

How many stars are in the Milky Way Galaxy?

• 200,000

• 2 million

• 200 million

• 200 billion

How close are stars to each other in space?

• about 5 minutes

• about 10 years

• about 5 light years

• about 10 light years

True or False: We have a picture of the Milky Way Galaxy.

• True

• False

How do we know what the Milky Way Galaxy looks like?

• Aliens told us

• We just guessed what it looks like

• Photos of distant galaxies help us picture what our own galaxy looks like

• We have sent spacecraft deep into outer space and have taken pictures of the galaxy from outside of it

What is the shape of our galaxy?

• spiral

• cylindrical

• conical

• pyrimidal

How big is our galaxy across?

• 100 light years

• 10 light years

• 10,000 light years

• 100,000 light years

Which spiral arm is our solar system located in?

• Norma Arm

• Sagittarius Arm

• Orion Spur

• Central Bar

How far is the Sun from the center of the galaxy?

• 3,000 light years

• 28,000 light years

• 100,000 light years

• 10,000 light years