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30 Apr 1998
Two new moons orbiting Uranus were announced in Nature magazine.
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24 Jan 1986
NASA's Voyager 2 came into close contact with Uranus and captured many images that uncovered 11 new moons.
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24 Oct 1851
British astronomer William Lassell discovered two of Uranus' moons, Ariel and Umbriel.
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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.
