How many layers make up the atmosphere?

Use this Forum to find information on, or ask a question about, NASA Earth Science data.
Post Reply
EarthdataForumContributor
Posts: 284
Joined: Thu Jul 11, 2019 4:32 pm America/New_York
Answers: 3

How many layers make up the atmosphere?

by EarthdataForumContributor » Fri Oct 04, 2019 10:05 am America/New_York

How many layers make up the atmosphere?
by EarthdataForumContributor » Fri Oct 04, 2019 10:16 am America/New_York
There are indeed 6 atmospheric layers. They are:

Troposphere
The troposphere starts at the Earth's surface and extends 8 to 14.5 kilometers high (5 to 9 miles). This part of the atmosphere is the most dense. Almost all weather is in this region.

Stratosphere
The stratosphere starts just above the troposphere and extends to 50 kilometers (31 miles) high. The ozone layer, which absorbs and scatters the solar ultraviolet radiation, is in this layer.

Mesosphere
The mesosphere starts just above the stratosphere and extends to 85 kilometers (53 miles) high. Meteors burn up in this layer

Thermosphere
The thermosphere starts just above the mesosphere and extends to 600 kilometers (372 miles) high. Aurora and satellites occur in this layer.

Ionosphere
The ionosphere is an abundant layer of electrons and ionized atoms and molecules that stretches from about 48 kilometers (30 miles) above the surface to the edge of space at about 965 km (600 mi), overlapping into the mesosphere and thermosphere. This dynamic region grows and shrinks based on solar conditions and divides further into the sub-regions: D, E and F; based on what wavelength of solar radiation is absorbed. The ionosphere is a critical link in the chain of Sun-Earth interactions. This region is what makes radio communications possible.

Exosphere
This is the upper limit of our atmosphere. It extends from the top of the thermosphere up to 10,000 km (6,200 mi).
Go to full post

Tags:

asdc_user_services
User Services
User Services
Posts: 163
Joined: Fri Jul 12, 2019 9:29 am America/New_York
Answers: 8

Re: How many layers make up the atmosphere?

by asdc_user_services » Fri Oct 04, 2019 10:09 am America/New_York

There are 6 layers in the atmosphere. We have asked our Subject Matter Expert to provide additional information. We will be back with you very soon!

EarthdataForumContributor
Posts: 284
Joined: Thu Jul 11, 2019 4:32 pm America/New_York
Answers: 3

Re: How many layers make up the atmosphere?

by EarthdataForumContributor » Fri Oct 04, 2019 10:16 am America/New_York

There are indeed 6 atmospheric layers. They are:

Troposphere
The troposphere starts at the Earth's surface and extends 8 to 14.5 kilometers high (5 to 9 miles). This part of the atmosphere is the most dense. Almost all weather is in this region.

Stratosphere
The stratosphere starts just above the troposphere and extends to 50 kilometers (31 miles) high. The ozone layer, which absorbs and scatters the solar ultraviolet radiation, is in this layer.

Mesosphere
The mesosphere starts just above the stratosphere and extends to 85 kilometers (53 miles) high. Meteors burn up in this layer

Thermosphere
The thermosphere starts just above the mesosphere and extends to 600 kilometers (372 miles) high. Aurora and satellites occur in this layer.

Ionosphere
The ionosphere is an abundant layer of electrons and ionized atoms and molecules that stretches from about 48 kilometers (30 miles) above the surface to the edge of space at about 965 km (600 mi), overlapping into the mesosphere and thermosphere. This dynamic region grows and shrinks based on solar conditions and divides further into the sub-regions: D, E and F; based on what wavelength of solar radiation is absorbed. The ionosphere is a critical link in the chain of Sun-Earth interactions. This region is what makes radio communications possible.

Exosphere
This is the upper limit of our atmosphere. It extends from the top of the thermosphere up to 10,000 km (6,200 mi).

Post Reply