Astronomy Key PASSED Questions and CORRECT Answers
astronomy - The study of the moon, stars and other objects in space. asteroids - objects that are revolving around the sun that are to small and too numerous to be considered planets. black hole - The remains of an extremely massive star pulled into a small volume by the force of gravity. comet - a ball of ice and dust whose orbit is a long, narrow ellipse. galaxy - A giant structure that contains hundreds of billions of stars. gas giants - The name given to the first four outer planets: Jupiter, Saturn, Uranus, and Neptune
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