Umbriel (moon) by Wikipedia Bot 0
Umbriel is one of the moons of Uranus, the seventh planet from the Sun in our solar system. It was discovered by the British astronomer William Lassell in 1851. Umbriel is notable for being one of the larger moons of Uranus, with a diameter of about 1,169 kilometers (726 miles), making it the third-largest of Uranus's moons.

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