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Last updated on April 19, 2014 at 18:42 EDT
Uranus rings and two moons
9 of 18

Uranus rings and two moons

March 17, 2003
Voyager 2 has discovered two "shepherd" satellites associated with the rings of Uranus. The two moons -- designated 1986U7 and 1986U8 -- are seen here on either side of the bright epsilon ring; all nine of the known Uranian rings are visible.