Uranus
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Uranus
Timeline
1781 William Herschel discovers Uranus.
1787 William Herschel discovers Titania and Oberon, two moons of Uranus.
1977 Rings of Uranus: Astronomers discover rings around Uranus.
1986 Voyager 2 passes within 81,500 km (50,680 miles) of Uranus.