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5 Cards in this Set
- Front
- Back
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What are stars?
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self-luminous celestial bodies
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What is a nova?
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a newly visible star
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What is the Milky Way?
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spiral galaxy containing our solar system
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What is a galaxy?
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a giant collection of stars, gas, and dust
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What is a quazar?
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a powerful event occurring in the center of a galaxy
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