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Space Vocab

TermDefinition
star a fiery ball of burning gas in space
planet a large, round object that orbits around a star
solar system a star and everything that orbits around that star
galaxy a group of stars, planets, gas and dust held together by gravity.
observable universe Everything that exists, including all space.
moon a natural object (not man-made) that orbits a planet.
supercluster A collection of galaxies
Created by: jfredeluxe
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