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4 Cards in this Set
- Front
- Back
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Nebular Hypothesis
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a model for the fomation of the solor system in which the sun & planets condense from a cloud of gas & dust
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Nebula
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Alarge cloud of dust &gas in interstellar space a region in space where stars are born
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Comet
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a small body of ice rock & cosmic dust that follows an elliptical orbit & that gives off gas & dust in the form of atail as it passes close to the sun
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Exoplanet
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a planetlike body that orbits astar other than the sun
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