2010年5月9日日曜日

8.Uranus


Uranus
Diameter: 51,118 kilometers
Distance from the sun: 2872.5 * 106 kilometers
Period of rotation: 17.2 hours
Period of revolution: 30,589 days
Atmosphere: Mainly of molecular hydrogen and helium.
Temperature:
Max – -200°C
Min –-214°C

Number and name of moons:
Number – 7
Name of moons –Cordelia, Ophelia, Bianca, Cressida

Interesting facts1. Uranus is the coldest planet in the Solar System
2. Uranus has rings( very dark )

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