William Lassell in 1851
Ariel was discovered in 1951 & Same with Umbriel
William Lassell discovered the moons Ariel and Umbriel orbiting Uranus in 1851.
1851 by William Lassell (Ariel and Umbriel) and in 1948 by Gerard Kuiper (Miranda)Titania and Oberon were discovered in 1787by William Herschel.
Ariel and Umbriel were discovered by William Lassell in October 1851.
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William Lassell discovered them on October 24, 1851.
William Lassel in 1851
Miranda, Ariel, Umbriel, Titania and Oberon.
He named Titania, Oberon, Ariel, and Umbriel.
William Lassel discovered them in 1851.
Titania, Oberon, Umbriel, Miranda, and Ariel
William Herschel discovered Titania and Oberon in 1787. William Lassell discovered Ariel and Umbriel in 1851. Gerard Kuiper discovered Miranda in 1948.