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3
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a celestial body naturally found in orbit
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5
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earth is an example of one of these
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6
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Large Magellinic cloud is an example of these
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7
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has halos, arms and a nuclear bulge
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9
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a meteor that reaches Earth
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10
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hold variable stars
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11
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arms come off the bar
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12
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hold more stars then globular clusters
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14
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Does not have its own orbit
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15
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includes the sun and all the celestial bodies in its gravitational pull
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