British astronomer William Lassell discovered two of Uranus’ moons, Ariel and Umbriel.
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Two new moons orbiting Uranus were announced in Nature magazine.
Astronomer William Herschel first observed Uranus.
British astronomer William Lassell discovered Neptune's largest moon, Triton.
NASA's Voyager 2 came into close contact with Uranus and captured many images that uncovered 11 new moons.
Astronomer Sir William Herschel discovered the first two moons of Uranus, Titania & Oberon.
