Rings of Uranus, including newly discovered 10th ring designated 1986U1R (barely visible below outermost epsilon ring). January 23, 1986. Range, 690,000 miles (Photo: NASA/JPL)

Rings of Uranus, including newly discovered 10th ring designated 1986U1R (barely visible below outermost epsilon ring). January 23, 1986. Range, 690,000 miles (Photo: NASA/JPL)