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Diagram of the five primary layers of the Earth's atmosphere (not to scale). From Earth's surface to top of stratosphere (50 km) is slightly less than1% of Earth's radius. Between troposphere & stratosphere is the tropopause.
Earth's atmosphere. Lower 4 layers of atmosphere in 3 dimensions as seen diagonally from above. Layers drawn to scale, objects not to scale. Aurorae shown here at bottom of thermosphere can actually form at any altitude of thermosphere.
As a file created by an employee of the NWS (formerly USWB) in the course of their official duties, whether hosted on weather.gov; on an NWS sub-branch website ...
Download QR code; In other projects Appearance. ... English: Layers of the atmosphere in Norwegian (Bokmål). Norsk bokmål: Atmosfærens lag på bokmål. Date:
The stratosphere is the second-lowest layer of Earth's atmosphere. It lies above the troposphere and is separated from it by the tropopause. This layer extends from the top of the troposphere at roughly 12 km (7.5 mi; 39,000 ft) above Earth's surface to the stratopause at an altitude of about 50 to 55 km (31 to 34 mi; 164,000 to 180,000 ft).
The layers are to scale. From the Earth's surface to the top of the stratosphere (50km) is just under 1% of Earth's radius. The exosphere is a thin, atmosphere-like volume surrounding a planet or natural satellite where molecules are gravitationally bound to that body, but where the density is so low that the molecules are essentially collision ...
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As a result, it is the least-understood part of the atmosphere, resulting in the humorous moniker ignorosphere. [20] [21] The presence of red sprites and blue jets (electrical discharges or lightning within the lower mesosphere), noctilucent clouds, and density shears within this poorly understood layer are of current scientific interest.