Universe Review

What kind of galaxy is this?

• Elliptical
• Irregular
• Spiral
• Solar

What kind of galaxy is this?

• Elliptical
• Spiral
• Irregular
• Solar

Dark matter makes up  ______ of our Universe.

• 4%
• 23%
• 73%
• 100%

All matter and energy makes up only _____ of our Universe.

• 4%
• 23%
• 73%
• 100%

The Universe is...

• A collection of stars, solar systems, and planets.  Usually around a black hole.
• The space and all the things in it that we have seen.
• The space and all the things in it that we have seen and have yet to see.
• only the observable stuff in space.

Space is usually cold, with an average temperature of.....

• 0˚F
• -455˚F
• -45˚C
• 100 K

The earth _________ around the sun.

• rotates
• revolves
• spins
• gyrates

The distance from the earth to the sun is...

• 1 light year
• 8 light years
• 1 light minute
• 1 AU

The ''echo'' of light left over from the big bang is called ___________.

• CMBR
• Infrared Light
• Quasar
• Gravity

A ______________ star can swell up and go supernova.