Umbriel is the third-largest moon of Uranus, discovered on 24 October 1851 by William Lassell at the same time as the neighbouring moon Ariel. It consists mainly of ice with a substantial fraction of rock, and may be differentiated into a rocky core and an icy mantle.
Facts
Discovery Year Connections
Orbits
Source Wikipedia (space and spaceflight articles)
Sources
1. Wikipedia (space and spaceflight articles)
Wikimedia FoundationOrbits: Uranus, Umbriel, orbit section (edges wave 2)Quote, Orbits: Uranus, Umbriel, orbit section (edges wave 2)
Umbriel orbits Uranus at the distance of about 266,000 km (165,000 mi), being the third farthest from the planet among its five major moons.
Umbriel (Wikipedia)
Umbriel, lead section
the third-largest moon of Uranus
Umbriel, infobox (Discovery date)
October 24, 1851
Lead section
It was discovered on October 24, 1851, by William Lassell at the same time as neighboring moon Ariel.
- In Category: Celestial Objects, Umbriel, Wikipedia summary
In Group: Moons of Uranus, Lead sentence
Umbriel () is the third-largest moon of Uranus.
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