study guide-chapter 13

7 terms by jahamilton310

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Name the four types of galaxies.

spiral, barred spiral, elliptical, and irregular

Name the star colors.

blue, white, yellow, orange, and red

Which color of stars are the hottest?

blue

Which color of stars are the coolest?

red

What causes the seasons?

How the earth is tipped on it's axis.

What is a light year?

Measures how far light travels in a year.

Where does a star's energy come from?

Nuclear Fusion

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