A moon from the planet Uranus.
General Information about Umbriel
Discovery and Other Information About Umbriel
Other Interesting Facts about Umbriel.
Size, Mass, and Orbit of Umbriel
This was the first and only to photograph Umbriel.
Uranus is the planet that Umbriel orbits around.
Size of all the Moons From Uranus.
Jackson, F. (1998). Uranus. In The Outer Planets (Vol. 4, Outer Space, pp. 43-44). Danbury, Connecticut: Groiler Incorperated.
Williams, M. (2015, June 5). Uranus' Moon Umbriel. Retrieved December 3, 2015, from http://www.universetoday.com/57061/umbriel/
The World Book (5th ed., Vol. 20, The World Book, p. 219). (2013). Chicago, Illinios: World Book.