•Jupiter’s moons show orbits which are not earth-centered
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 •Venus’ phases show it must circle the Sun
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 •Several objects (Moon, Sun) show “imperfections” which are not supposed to be present in the heavens
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 •Galileo’s observations clearly support Copernican model, but so far his printed work has mostly been reporting what he sees, rather than directly arguing for Copernican model.
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