Which Layer Of The Atmosphere Is The Hottest And Coldest?
Which Layer Of The Atmosphere Is The Hottest And Coldest? Coldest layer of Earth’s atmosphere is the MESOSPHERE. The temperature there is -90 degree celsius. It can even go lower. Hottest layer of Earth’s atmosphere is the thermosphere. Which is hotter thermosphere or exosphere? The thermosphere is directly above the mesosphere and below the exosphere.