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6 Cards in this Set
- Front
- Back
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orbit
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the path the earth takes as it revolves
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eclipse
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when one object passes through the shadow of another
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space probe
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a robot vehicle used to explore deep space
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sattelite
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a natural body, like the moon, or an artificial object that orbits another objects
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axis
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an imaginary line that passes through earth's center and north and south poles
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telescope
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an instrument that magnifies distant objects, or makes them appear larger
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