Thinkquest 2001

Game

Information about Uranus
Mass
kg 8.68 x 10^25
Diameter
km 31,763 mi. (51,118 km)
Mean Density
kg/m^3 1290
Escape Velocity m/sec 21,300
Distance from the sun Shortest 1,702,100,000 mi.(2,739,300,000 km)
Greatest 1,870,800,000 mi.(3,010,700,000 km)
Mean 1,786,400,000 mi.(2,875,000,000 km)
Rotation Period (Length of Day) Earth Hours 17.9
Revolution Period (Length of Year) Earth Years 84 or 30,685 earth-days
Obliquity (Tilt of Axis) Degrees 97.9
Orbit Inclination
Degrees 0.77
Orbit Eccentricity
Deviation From Circular 0.047
Mean Surface Temperature Fahrenheit -357 (-216 C)
Visual Geometric Albedo
Reflectivity 0.56
Atmospheric Components 83% hydrogen(H), 15% helium(He) and 2% methane(CH4)
Rings Uranus has 11 known rings, and has a system of narrow, faint rings. Ring particles are dark, and could consist of rocky or carbonaceous material
Satellites 15

Interesting Facts
Uranus was discovered in 1781 by an amateur astronmer, Sir William Herschel
Uranus has an ocean about 5,000 miles(8,000 km) deep. Scientist believe the ocean is mostly water, perhaps mixed with a bit of liquid ammonia and methane. The ocean is as hot as 8,000 F (14,430 C)
63 Earths could fit into one Uranus
Uranus is the 3rd largest planet in our solar system
Uranus's diameter is four times greater than Earth's
Uranus's rings are made mostly of dirty ice boulders about 3 feet(1m) across
Uranus has 11 known rings
Uranus is tipped on its side