Chapter 8 Section 4 Word Scramble
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Vocabulary | Definition |
binary star | a star system that contains two stars |
eclipsing binary | a star system in which one star periodically block the light from one another |
spiral galaxy | a galaxy whose arms curve outward in a pinwheel pattern |
elliptical galaxy | a galaxy shaped like a flattened ball that can contain mostly old stars |
irregular galaxy | a galaxy that does not have a regular shape |
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