Uranus

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NASA prepares Uranus mission
Monday, 24 October 2011 10:06

http://hainanwel.com/en/unusual-world/1 ... ssion.html

NASA plans to send a first automatic station Urane Orbiter to one of the most distant planets in the solar system- Uranus. As part of the Uranus Pathfinder mission would be study chemical composition of Uranus, its rings and satellites. The cost of Uranus Pathfinder mission is estimated at nearly $ 3 billion. Launching a probe Urane Orbiter will take place in 2021. In orbit of Uranus located 27 satellites, and in 1977 was open system of 11 black rings around Uranus. The rotation axis of Uranus is tilted 98 degrees - because of this, Uranus orbits around the Sun- "lying on its side," and in a direction opposite to that, in which revolve almost all the other planets in our solar system. The diameter of Uranus is almost 4 times larger, than the diameter of the Earth and the atmosphere of Uranus is composed of molecular hydrogen, helium, methane and small amounts of acetylene, hydrogen cyanide, carbon monoxide. The temperature at the surface of Uranus - very low and ranges from -208 to -212 degrees Celsius. In the atmosphere of Uranus blowing very strong winds with speeds of 140-580 km/h.