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20h 55min, jan 6, 1632 y - Dialogue on the Two Chief World Systems: Copernican and Ptolemaic

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Galileo's book defending the Copernican (heliocentric) worldview against the Ptolomeic (geocentric).

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EURO TIMELINE midterm

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20h 55min, jan 6, 1632 y

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~ 394 years ago

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