The termosphere

The thermosphere is the zone between 50 and 80 kilometres of altitude.

This zone is characterized by very high temperatures which can reach 1,000°C.

The name thermosphere comes from the fact that in this stratum of the air the temperature is subjected to continuous sudden changes upwards.

A part of the ionosphere air space is in the thermosphere.

A characteristic phenomenon of this stratum is the northern or southern lights.back