How do "greenhouse gases" actually trap heat on Earth? I understand how a greenhouse works: the sun's heat travels through the glass, heats the air and traps that warmth inside. How do greenhouse gases achieve the same one-way effect? - TL Winslow, Pansophist master of STEM and world history

https://www.quora.com/How-do-greenhouse-gases-actually-trap-heat-on-Earth-I-understand-how-a-greenhouse-works-the-suns-heat-travels-through-the-glass-heats-the-air-and-traps-that-warmth-inside-How-do-greenhouse-gases-achieve-the-same-one/answer/TL-Winslow