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Grace Doebler

on 7 January 2013

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Transcript of Uranus

Uranus The 7th planet from the sun. Uranus was first discovered by William Herschel on March 13, 1781 when he was looking at the night sky with his telescope.
Many others had seen the planet, but ignored it. Thinking it was just another star in the sky. 1690 was the earliest recording of this planet. It didn't get the common name of Uranus until 1850. Voyager 2's discovery! The Tilt and Poles Rings Extra Facts Special thanks to! Long ago... Voyager 2 has been the only visit to Uranus, in January of 1986. On this trip, 10 small moons had been discovered along with the 5 other larger planets. Most of what we know about Uranus is from the Voyager 2's flyby trip that year. Uranus' polar regions gets more energy from the Sun than equatorial regions do. Uranus is hotter at its equator than the poles. There is an on going debate on what pole is actually the North pole. The magnetic field is not based off the center of the planet, witch is very odd. The planet is tilted at almost a 60 degrees with the axis of rotation. MOONS Uranus is the 7th planet away from the sun. It is larger in diameter, but less in mass then the planet Neptune. Uranus is made up of rock and various ices, with about 15% hydrogen and a little helium.The blue color is the result of absorption of red light by methane in the upper atmosphere. http://www.astronomy.org/programs/planet-quiz-show/answer/42.html
http://extremesolarsystem.com/the-book/buy-the-book.html Uranus has 27 moons. Five of these moons are large and the rest are smaller. Titania and Oberon are the largest two moons. William Hershel discovered them in 1787. Uranus has 13 known rings, they are all very faint. The brightest ring is known as Epsilon. William Herschel discovered the rings in 1787. In 1977, nine more rings of Uranus were discovered.
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