Uranus




 * Intro:**
 * Discovered: March 13, 1781
 * Discovered by William Herschel
 * 7th planet from the sun
 * Temp. -224 degrees C
 * Has 11 rings
 * South pole is almost completely facing the sun.
 * 27 moons
 * Blue

**Q&A:**

 * Why is it on its side?** Uranus' rotation is theorized to be because early in its formation it may have been hit by another planet off setting its rotation.
 * How fast are the wind speeds?** The wind speeds can reach up to 250 meters per second.
 * What are the rings made of?** The rings are made of dust and large bodies 0.2-20 m in diameter. Its the third largest planet in the solar system. Its diameter is 51,800 kilometers. Uranus orbits the Sun once every 84.01 Earth years.
 * How far away is it from the sun?** Its 2.87 billion kilometers from the Sun.
 * Whats the atmosphere made of?** The atmosphere is like Neptune's its still composed of hydrogen and helium, it also is made of water, ammonia and methane.
 * Is there a surface on the planet?** The Mantle is made of water, ammonia and methane ices. The Core is all rock and ice.
 * Why is it blue?** The methane in Uranus' upper atmosphere absorbs the red lignt from the sun but reflects the blue light back into space.
 * Where did Uranus get its name?** It was named after the Greek god of the sky.
 * Are all the moons named?** Yes all the moons have names.
 * Who discovered the rings?** The rings were discovered on March 10, 1977 by James L. Elliot, Edward W. Dunham, and Douglas J. Mink.
 * Why can't you see the rings?**



http://en.wikipedia.org/wiki/Uranus http://www.nineplanets.org/uranus.html http://www.solarviews.com/eng/uranus.htm