Mariah+&+Jolanta



**//__ Uranus __// How Uranus got its nam ****e:** **after the ancient Greek god of the sky.** **Who discovered Uranus, when, how, where?:** Sir William Herschel. who found it on March 13, 1781 just searching the sky with his telescope. **Distance:**Order from the sun: Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus. Is the 7th planet from the sun.Distance from the sun: 2.88 billion km. Distance from Earth: 2.57 billion km. Planet measurement: Mass: 86.832 Volume: 6,833 **Orbit & rotation:** Number of days to orbit around the sun: 84 earth years. Perihelion: 1.78 billion miles. Equatorial Circumference: Mean density: 3 cm Gravity: 8.69 m/sec squared compared to 9.78 m/sec squared on earth. Aphelion: 2,870,990,000 Length of one day: 17 Earth hours long **Planet appearance:** The surface of Uranus consists of blue-green clouds made of tiny crystals of methane. The crystals have frozen out. **Rings:** The rings of Uranus are very thin and are made of methane- ice. It has 9 rings. The rings around Uranus are grey. <span style="font-family: 'Courier New',Courier,monospace;">**Satellites:** 27 known moons, <span style="font-family: 'Courier New',Courier,monospace;">Some include Juliet, Cordelia, Cupid, Desdemona, Puck, Oberon, Titania. <span style="font-family: 'Courier New',Courier,monospace;">**Composition:** <span style="font-family: 'Courier New',Courier,monospace;">Core composition: rocky about the size of Earth. Its composed of liquid and solid helium, argon, and ammonia. <span style="font-family: 'Courier New',Courier,monospace;">Surface composition: Is a huge icy planet and is covered with clouds. Is a frozen, gaseous planet with a molten core. <span style="font-family: 'Courier New',Courier,monospace;">**Atmosphere:** <span style="font-family: 'Courier New',Courier,monospace;">Major gases: h2o and co2 <span style="font-family: 'Courier New',Courier,monospace;">minor gases: hydrogen, helium, methane ice methane. Methane looks blue when sunlight hits it. <span style="font-family: 'Courier New',Courier,monospace;">**Surface condition:** <span style="font-family: 'Courier New',Courier,monospace;">wind speeds: It can get up to 90 mph. <span style="font-family: 'Courier New',Courier,monospace;">temperature ranges: minimum temperature is -224 degrees celsius <span style="font-family: 'Courier New',Courier,monospace;">surface pressure: It's 1,984,580 meters of pressure. <span style="font-family: 'Courier New',Courier,monospace;">**Weather:** Mostly cloudy because Uranus is so far from the sun. Also sometimes rainy. <span style="font-family: 'Courier New',Courier,monospace;">**Water:** Uranus has solid water due to its extreme cold temperature, (ice). <span style="font-family: 'Courier New',Courier,monospace;">**Exploration:** one probe was sent to Uranus and that is the Voyager 2. <span style="font-family: 'Courier New',Courier,monospace;">**Habitability:** a person would freeze to death and the would suffocate. <span style="font-family: 'Courier New',Courier,monospace;">**Future human travel:** no human life is able to go on Uranus because the methane gas, even if you were wearing protective suits. <span style="font-family: 'Courier New',Courier,monospace;">**Terraforming:** none you can't live on Uranus or you or it will die. <span style="font-family: 'Courier New',Courier,monospace;">**Cool facts:** <span style="font-family: 'Courier New',Courier,monospace;">how much you would weigh on Uranus: If you weighed 100 pounds on Earth you would weigh 88.91 pounds on Uranus. <span style="font-family: 'Courier New',Courier,monospace;">3 neat things about Uranus:
 * 1) <span style="font-family: 'Courier New',Courier,monospace;">It rotates side - ways
 * 2) <span style="font-family: 'Courier New',Courier,monospace;">Uranus composition of interior is molten rock
 * 3) <span style="font-family: 'Courier New',Courier,monospace;">It is a bluish green.