Space Review

Our galaxy is a ________ galaxy.

• Irregular
• Elliptical
• Spiral
• Twirl

One light year is a...

• A length of time
• A distance
• A galaxy
• A measure of gravity

What are the three types of galaxies?

• Spiral, irregular, boxed
• Spiral, elliptical, spherical 
• Spiral, elliptical, square
• Spiral, irregular, elliptical 

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

What type of galaxy is this? 

• Spiral
• Odd Shaped
• Irregular
• Elliptical

The vast majority of galaxies in our universe are moving away from us.  We know this because we observe __________ in the galaxies absorption spectra.

• Redshift
• Blueshift
• Turbulance
• Superposition

What does the Big Bang theory suggest?

• The universe was just there
• The Milky Way is the only solar system
• The universe is continually expanding
• The universe started as a point and is moving towards each other

Where does nuclear fusion occur?

• Space
• Radiation Zone
• Photosphere
• The Core

Place these objects in order from smallest to largest.

• Planets, solar system, universe, galaxy
• Solar system, planets, galaxy, universe
• Planets, solar system, galaxy, universe
• Galaxy, solar system, planets, universe