TheGreenhouseEffectThegreenhouseeffectisanincreaseinthetemperatureofaplanetasheatenergyfromsunlightistrappedbythegaseousatmosphere
Excesscarbondioxideandwatervaporincreasethisglobalwarmingeffect
SolarEnergy(sunlight)isshort-wavelengthradiationwhicheasilypenetratestheEarth'satmosphereandwarmstheEarth;onlyaboutonequarterofincomingsunlightisreflectedbytheatmosphere
ThewarmedEarthemitslong-wavelengthradiation(infraredwavesorheatenergy)backintospace;theselongerwavesaremostlyreflectedbacktoEarthbytheatmosphere
Thesizeoftheatmosphereintheillustrationaboveisgreatlyexaggeratedinordertoshowthegreenhouseeffect
MostoftheEarth'satmosphereiswithin10miles(16km)oftheEarth'ssurface)
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