Question

define thermosphere !!!!​

Answer 1

Answer:

This is the fourth layer above the earth's surface. It extends upto 600 KM above the earth's surface. Artificial satellites and space move about in this layer.

Answer 2

atmosphere is divided into many layers they are

lithosphere

mesosphere

troposphere

etc

The thermosphere is the layer which is above the mesosphere and below the exosphere .

The main characteristics of this layer is

temptature increases with increase of altitude .