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