•the seventh planet of solar system

•discovered - 1781 by W. Herschel

•temperature -210 C ͦ•typical blue-green

colour

• The rotational period of the interior is 17 hours• He has 27 known natural satellites• In 1986 NASA's Voyager 2 visited Uranus.• Uranus has a complicated planetary ring system,

which was the second such system to be discovered in the Solar System after Saturn's.

• Uranus revolves around the Sun once every 84 Earth years.

PLANETARY RINGSPLANETARY 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

the END