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Q10: According to Copernicus, retrograde motion for Venus
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Q29: It is useful for a research problem
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Q39: Rigel has an apparent magnitude of +
Q40: What special type of information is yielded
Q42: "ESP cannot be demonstrated if a non-believer
Q44: After you have determined it is feasible
Q48: If we are the Moon's penumbra, then
Q55: If a study conducted over the Internet