URANUS - PowerPoint PPT Presentation

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URANUS

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  1. URANUS

  2. the seventh planet of solar system • discovered - 1781 by W. Herschel • temperature -210 ͦC • typicalblue-green colour

  3. Therotationalperiodoftheinterioris 17 hours • He has 27 knownnaturalsatellites • In 1986 NASA'sVoyager 2visitedUranus. • Uranus has a complicatedplanetary ring system, whichwasthesecondsuchsystem to bediscovered in theSolarSystemafterSaturn's. • UranusrevolvesaroundtheSunonceevery 84 Earthyears.

  4. PLANETARY RINGS • composed of extremely dark particles • thirteen distinct rings are presently known • extremely narrow - a few kilometres wide. • rings – grey • discovered – 10.03.1977 • december 2005- detected a pair of previously unknown rings • methane - absorbs red light, giving Uranus its blue-green color • are named 6, 5, 4, Alpha, Beta, Eta, Gamma, Delta, and Epsilon • moons – count –27 –icy moons

  5. the END