Uranus (Uranus) is the first planet discovered in modern unlike mercury Venus Mars Jupiter and Saturn, which is known since ancient time, Uranus was discovered by William Herschel (William Hershel) He used the telescope the size 6.4-inch custom artificial illumination and sky surveys systematically and discover Uranus on March 13 r.In 1781, he initially thought he had found the object is daohangduang. But after observing tracking of several weeks. 2 as far as her shelter is intended to give this planet Georgium Sidus or "star George" to honor George III of England, served as a vice of Thailand of Herschel. Stars Herschel over the past han Jo Bo (Johann E.Bode) astronomer planetary experts of the Germans have proposed the name "yurenat" which according to the position of gods is a bird-the sky and paradise and is the father of อสห krone or Saturn. One or more Jupiter (pursuit of gods Jupiter, Mars or Mars lost business as well). In the end, the name yurenat, it is widely accepted among astronomers widely around the year. (C).RS1850, and although this star would not name the tamphranam of George III by Herschel's full, but the Lord George appoints her to add new navigation areas is shelter as Astronomer Royal for his Office. It also appoints, as Sir William Herschel. Uranus is a gas planet, which has a diameter of approximately 1 in 3 of Jupiter (Uranus, but nevertheless, it is bigger than the world reaches 63 times) 3 billion kilometers. Beyond the distance from Earth to the Sun is about 19 times a week khotronopduang Uranus 84 years old at the time of the world. Features the most outstanding orbit of Uranus's axis is tilting the solar plane angle to the star up to 98. Or more than slightly and edged Uranus, it rotates around itself on its side. As a result, the season of Uranus is much longer. One half of the stars will be in the long winter, 42 years old, while the other half are in a long summer of 42 years, that is, at the. The Sun will not fall at all during the 42 years and conversely, bangboriwen, it will not be for a period of 42 years at Sun, as well as alternate. However, since Uranus is too far away from the Sun. 0.27% of energy spread out to the world, "summer" and "winter" on Uranus is a different temperature approximately 2 degrees Celsius. At present, we still have knowledge about Uranus is quite low. The only spacecraft with only one visit to Uranus is a water craft yae Jerry 2 (Voyager 2) of the United States fly scrape Uranus to January 24.1986 Professor and photographer Uranus and the moon came back approximately 8000 photos, which also counted as least compared to the planets near the Sun, Earth, etc.