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Force of attraction between any two objects. |
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Amount of matter that an object contains. |
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Curved path that an object follows as it revolves around another object. |
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Movement of one object in its orbit around another object in space. |
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Changes in the moon's appearance as it orbits the earth. |
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Phase of the moon when the earth is between the sun and the moon. |
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Phase of the moon when the moon is between the sun and the earth |
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Passing of the moon through the earth's shadow. |
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Passing of the moon between the earth and the sun. |
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Regular rising and falling of the earth's major bodies of water. |
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