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21-4

Bonnie Branch 6th Grade - 21-4 / Star Systems and Galaxies

TermDefinition
binary star A star system that contains two stars
eclipsing binary A star system in which one star periodically blocks the light from another
spiral galaxy A galaxy whose arms curve outward in a pinwheel pattern
elliptical galaxy A galaxy shaped like a flattened ball, containing only old stars
irregular galaxy A galaxy that does not have a regular shape
Created by: kjanelli
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