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adreamer adreamer
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7 years ago
The Ptolemaic model has planets moving in
A) elliptical orbits about the Sun
B) a simple circle about the Earth
C) a simple circle about the Sun
D) small circles, the centers of which move in a larger circle about the Earth
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Life in the Universe

Life in the Universe


Edition: 4th
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19Clyde19Clyde
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7 years ago
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adreamer Author
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6 years ago
Awesome Slight Smile
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