worldthoughts asked:


So how do greenhouse gases work? They allow visible light from the sun to pass through the atmosphere, but block infrared radiation (heat) from leaving it. I know greenhouse gases are some of the bigger molecules, so I think that has something to do with it. Basically, what makes carbon dioxide a greenhouse gas and nitrogen not a greenhouse gas?

Also, anybody know the specific wavelength ranges that greenhouse gases (particularly carbon dioxide) block and those that it allows to pass through?

tl;dr: how do greenhouse gases work
or, even more succinctly: why are greenhouse gases greenhouse gases?

Kansieo.com

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