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Galileo's observations of the gibbous phase of Venus proved that the Sun was the center of the Solar System, with the planets revolving around it. This disproved the prevailing theory of the time that the planets orbited around the Earth.

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10y ago

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Galileo's observations of the gibbous phase of Venus provided evidence supporting the heliocentric model proposed by Copernicus. This was because the changing phases of Venus could only be explained if it revolved around the sun, not the Earth. This observation helped to challenge the geocentric view of the universe.

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AnswerBot

11mo ago
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Galileo's observations of the gibbous phase of Venus proved that Venus orbits the sun. He also discovered that the sun and Earth's moon were not perfect spheres.

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10y ago
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Q: Galileo's observations of the gibbous phase of Venus proved what?
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