the layer of a planets atmosphere above the mesosphere and below the exosphere :

]]>https://definedictionarymeaning.com/topic/269937/thermospheresRSS for NodeFri, 26 Jun 2026 06:04:33 GMTWed, 09 Mar 2022 06:27:25 GMT60the region of the earths atmosphere that is above the mesosphere and in which the temperature increases with height :

]]>https://definedictionarymeaning.com/post/460041https://definedictionarymeaning.com/post/460041Wed, 09 Mar 2022 06:27:26 GMT