Uranus

Uranus is the 7th planet from the sun and the fourth massive planet in the solar system with a diameter of 51,100 km. The planet uranus was named after the ancient greek deity of the sky. Sir William Herschel on March 13, 1718. uranus was the first planet seen through a telescope. similar to other giant planets, uranus has a large ring system of 11 rings. sometimes you can actually see from earth uranus' rings appearing like an archery target. Uranus also has a magnetic field and quiet a lot of moons. five of its largest moons are: Ariel, Umbriel, Titania, Oberon, and Miranda. Uranus is a ball of ice and gas, so you can't really say that it has a surface. If you tried to land a spacecraft on Uranus, it would just sink down through the upper atmosphere of hydrogen and helium, and into the liquid icy center. the size of uranus is very large being able to fit four earths on the face of it. uranus does not have a solid surface. uranus rotates once every 17 hours and spins on its axis. the temperature on uranus is very cold the average is around 210 degrees Celsius. Uranus' orbital period is 84 Years, 3 Days, 15.66 Hours.



http://en.wikipedia.org/wiki/Uranus http://artlibrary.files.wordpress.com/2009/04/solar-system.jpg http://en.wikipedia.org/wiki/Uranus http://www.astronomy.com/asy/default.aspx?c=a&id=1226 http://www.universetoday.com/guide-to-space/uranus/surface-of-uranus/ http://www.kidscosmos.org/kid-stuff/uranus-facts.html