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Transit of Venus: June 6, 2012: Brief facts about Venus


Diameter: 12 104 kilometers (94,9 % of Earth)
Distance from the Sun: 108.2 million km
Smallest distance from the Earth: Less than 40 million km
Eccentricity of orbit: 0.0068 (orbit of Earth: 0.017)
Inclination: 3.39 degrees
Average surface temperature: 464 degrees Celsius
Atmosphere: Very dense, pressure of 90 atmospheres at surface
Chemical composition of atmosphere: 96.5% CO2, 3.5% N2, 0.003% water vapour
Day length: 243.01 days (retrograd rotation)
Inclination of rotation axis relative to orbit: 177.4 degrees
Length of year: 224.70 days
Age of surface: About 800 million years
Mean density: 5.243 times density of water (density of the Earth is 5.515)
Mass: 4,869 * 1024 kgs = 0,815 times mass of the Earth
Average velocity in orbit: 35 km/s = 126 000 km/h


Find more information about Venus on " The Eight Planets"


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Transit of Venus 2012

Vårt magiske univers: Norwegian movie about space

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Extensive Norwegian DVD about space and eclipses.

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Contact: Knut Jørgen Røed Ødegaard, PO. Box 1029 Blindern, NO-0315 Oslo, NorwayPhone: (47) 992 77 172 E-mail: knutjo@astro.uio.no