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Curious cold layer in Venus' atmosphere

venus atmosphere venus express esa

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#1    Waspie_Dwarf

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Posted 03 October 2012 - 12:51 AM

A curious cold layer in the atmosphere of Venus


www.esa.int said:

1 October 2012
Venus Express has spied a surprisingly cold region high in the planetís atmosphere that may be frigid enough for carbon dioxide to freeze out as ice or snow.

The planet Venus is well known for its thick, carbon dioxide atmosphere and oven-hot surface, and as a result is often portrayed as Earthís inhospitable evil twin.

But in a new analysis based on five years of observations using ESAís Venus Express, scientists have uncovered a very chilly layer at temperatures of around Ė175ļC in the atmosphere 125 km above the planetís surface.

The curious cold layer is far frostier than any part of Earthís atmosphere, for example, despite Venus being much closer to the Sun.

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#2    Mentalcase

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Posted 03 October 2012 - 05:57 AM

Very curious!!

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