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Does Venus' Atmosphere Have a COOLING Effect?

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Venus
Teaser: 

"It may seem downright bizarre, but a new model of Venus' super-hot atmosphere suggests its greenhouse gases may actually be cooling the planet's interior."

Link: 

Hellish Venus Atmosphere May Have Had Cooling Effect

Source: 

SPACE.com Download time: Sep 21 2010 8:22 AM ET

It may seem downright bizarre, but a new model of Venus' super-hot atmosphere suggests its greenhouse gases may actually be cooling the planet's interior.

These gases initially cause Venus' temperature to rise, but at a certain threshold, they can trigger dynamic processes – which researchers call "mobilization" – in the planet's crust that cool the mantle and overall surface temperature, researchers found.

Venus surface temperature, on average, is a scorching 860 degrees Fahrenheit (460 degrees Celsius).…

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Also see Universe Today and ScienceDaily.com.