Uranus and Its Rings
Uranus and Its Rings was on display at the Smithsonian National Air and Space Museum's exhibition, Beyond: Visions of Planetary Landscapes, from May 26, 2010 - May 2, 2011.
This remarkable picture shows the very faint rings of Uranus, which were discovered in 1977. Extremely dark, they may be made of innumerable countless fragments of water ice containing radiation-altered organic material. Uranus was the first planet discovered that was unknown to ancient astronomers. It was first sighted in 1781 by British astronomer William Herschel discovered the planet in 1781, using a homemade 15-centimeter telescope.
Voyager, January 24, 1986
Image Number: WEB11414-2010
Credit: NASA; JPL; Calvin Hamilton
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