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17 Sep 1789
German-British astronomer William Herschel discovered the moon of Saturn, 'Mimas.'
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28 Aug 1789
Saturn's moon, Enceladus, was discovered by William Herschel.
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11 Jan 1787
Astronomer Sir William Herschel discovered the first two moons of Uranus, Titania & Oberon.
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13 Mar 1781
Astronomer William Herschel first observed Uranus.
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2 May 1780
William Herschel discovered the first binary star.
