The outermost layer of the earth's atmosphere is the exosphere (about 500 to 200 km altitude). It is practically a vacuum. When listing only the four major layers, the exosphere is sometimes considered part of the thermosphere. (see related questions)
The closest layer to outer space is the Thermosphere.
It`s the Exosphere. :)
Exosphere
The exosphere is the final layer of the atmosphere. It has no definite end, but becomes thinner until there is no distinction between it and outer space.
The Exosphere is the layer in the atmosphere that is closest to outer space.
The closest layer to outer space is the Thermosphere.
Outer Space
It`s the Exosphere. :)
The Exosphere. Beyond it is outer space.
Exosphere
the exosphere.
Exosphere.
The exosphere is the final layer of the atmosphere. It has no definite end, but becomes thinner until there is no distinction between it and outer space.
The Exosphere is the layer in the atmosphere that is closest to outer space.
The thermosphere is the outer layer of the earth's atmosphere. It extends from 80 kilometers above the earth's surface to outer space.
the ozone layer
Troposphere