14. Earth releasing some pent-up heat • Earth.com

This sizzling shot of the Earth was also logged by the Terra satellite in September 2001. The picture shows thermal energy emitting from the planet, but don’t be alarmed; this process is necessary to keep our planet at the proper temperature. If it absorbed all of the sun’s radiation, it’d get to be as hot as the giant star, and we don’t have enough air-conditioning to deal with that.

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