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Astronomy MagazineEnglish · 8 天前

Jan. 7, 1610: Galileo sees four moons of Jupiter

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Jan. 7, 1610: Galileo sees four moons of Jupiter

www.astronomy.com

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Astronomy MagazineEnglish · 8 天前

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Today in the history of astronomy, the Galilean moons are observed for the first time.

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