Ariel and Umbriel are two of the moons of Uranus. They were discovered around the same time in 1851 by William Lassell.
Uranus's moon Ariel was discovered in 1851. The moon was discovered along with Umbriel, another moon of the planet, by William Lassell.
Ariel is a moon of the planet Uranus.
The five larger moons of Uranus—Miranda, Ariel, Umbriel, Titania, and Oberon—were discovered by the British astronomer William Herschel in the late 18th century. Herschel initially discovered Titania and Oberon in 1787, followed by the discovery of Umbriel and Ariel in 1851 by the astronomer William Lassell. Miranda was later discovered in 1948 by the American astronomer Gerard Kuiper.
Ariel is the moon of a superior planet (Uranus), so it's never between the Earth and the Sun. If we see it at all, we see it as a full moon.
William Herschel discovered Titania and Oberon in 1787. William Lassell discovered Ariel and Umbriel in 1851. Gerard Kuiper discovered Miranda in 1948.
Uranus's moon Ariel was discovered in 1851. The moon was discovered along with Umbriel, another moon of the planet, by William Lassell.
Ariel is a moon of the planet Uranus. It was discovered in 1851 and is one of the five major moons of Uranus. Ariel is known for its relatively smooth surface and interesting geological features.
Ariel is a moon of the planet Uranus.
Ariel and Umbriel were discovered by William Lassell in October 1851.
Miranda and Ariel are two of the moons of Uranus.
William Lassel discovered them in 1851.
The moon Ariel is the brightest moon for the planet Uranus's. The surface area of the moon is just under 3 square miles.
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William Lassell discovered the moons Ariel and Umbriel orbiting Uranus in 1851.
Miranda, Ariel, Umbriel, Titania and Oberon.
The five larger moons of Uranus—Miranda, Ariel, Umbriel, Titania, and Oberon—were discovered by the British astronomer William Herschel in the late 18th century. Herschel initially discovered Titania and Oberon in 1787, followed by the discovery of Umbriel and Ariel in 1851 by the astronomer William Lassell. Miranda was later discovered in 1948 by the American astronomer Gerard Kuiper.
William Herschel discovered it.