Friday, 19 June 2015

The Universe - Venus

The planet Venus is covered with thick clouds.

Unlike Earth’s atmosphere, which is composed mainly of nitrogen and oxygen, Venus’ atmosphere is a dense mix of carbon dioxide and sulphur dioxide gas.

These gases in high concentrations cause a catastrophic greenhouse effect that traps sunlight and prevents it from radiating into space. 
This causes a surface temperature of around 470 K (197 °C).

ESA’s Venus Express has found the best evidence yet for active volcanism on the planet.

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