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Postcards from Venus: enter the Planetary Society Art Contest
 
16 December 2005

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Venus’s atmosphere is composed almost entirely of carbon dioxide, with very little water vapour. It has significant amounts of corrosive sulphur-bearing gases and rapidly moving clouds of sulphuric acid droplets. The dense clouds scatter back to space about 80% of the radiation received from the Sun.

Despite only the small amount of solar flux reaching the surface, enough energy is trapped by gases and particles present in the lower atmosphere, to raise the temperature at the surface dramatically, enough to make Venus’s surface the hottest in the Solar System.

Credits: ESA / AOES Medialab

 
 
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Credits: ESA
 


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