Universe & Galaxies

What is a system of millions or billions of stars, made of gas & dust, held together by gravity?

• Universe

• Galaxy

• Star

• Pulsar

Tags

NGSS.MS-ESS1-2

Which of these is in the correct order of size (from smallest to largest)?

• Galaxy, Planet, Star, Universe

• Star, Planet, Galaxy, Universe

• Planet, Galaxy, Star, Universe

• Planet, Star, Galaxy, Universe

Which type of galaxy is this?

^{(image from annesastronomynews.com)}

• Spiral

• Elliptical

• Irregular

• Regular

Most of the universe is made up mostly of what?

• Gas

• Dust

• Empty Space

• Galaxies

Which galaxy is the most abundant?

• Spiral

• Elliptical

• Irregular

• Regular

Which galaxy has arms of stars that reach out from a dense center of stars?

• Spiral

• Elliptical

• Irregular

• Regular

Which type of galaxy do we live in?

^{(picture from scoopnest.com)}

• Spiral

• Elliptical

• Irregular

Tags

NGSS.MS-ESS1-2

What is the name of our galaxy?

• Pinwheel

• 3 Muskateers

• Milky Way

• Dusty

Tags

NGSS.MS-ESS1-2

How do we know what type of galaxy we live in, since we can't get outside of our own galaxy to see it?

• Pattern of stars in our sky matches a spiral

• We sent Voyager I to go image it

• We don't know; we are only guessing

• An alien culture told us

What distance unit do we use most often in space?

• Miles

• Kilometer

• Light-hour

• Light-year