Uranus has a complicated planetary ring system, which is the second such system found in the Solar System after Saturn. The rings are made of extremely dark particles ranging in size from a micrometer to a fraction of a meter.
Most of the material in the ring system smoothness 9 Uranus in thin ring located a distance of from 41,000 to 52,000 km from the center of the planet. Most Uranian rings has a width of 1-10 km, whereas the epsilon ring is on the outside of Uranus is wider and more eccentric. Epsilon ring is located at a distance of 20 km - 96 km.
The particles that compose the rings of Uranus are visible from Earth has a size similar to Saturn's main rings ie ~ 1 cm - 10 m. However, the epsilon ring, its structure is composed of blocks of ice the size of meters. Epsilon ring was also found to have a gray color, with satellites Cordelia and Ophelia act as shepherd satellites for the ring. Furthermore, in all nine rings Uranus are also fine dust particles are distributed fine filler ring.
The particles that compose the rings of Uranus has a very dark color and looks dark carbonaceous asteroids and meteorites chondrites. It is estimated that the particles are composed of ice were irradiated dark, which is a complex mixture of hydrocarbons connected to the ice when formed.
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