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The thermosphere is a layer of Earth's atmosphere that is directly above the mesosphere and below the exosphere. It extends from about 90 km (56 miles) to between 500 and 1,000 km (311 to 621 miles) above Earth's surface.
The thermosphere is the atmospheric region from ∼85 to ∼500 km altitude, containing the ionosphere. It is characterized by high temperature and large variability, in response to changes in solar ultraviolet radiation and solar-driven geomagnetic activity.
8 Σεπ 2014 · The thermosphere is a very important layer of the Earth’s atmosphere because it protects us from harmful radiation from the sun. The thermosphere is where space shuttles and other spacecraft re-enter the Earth’s atmosphere .
The thermosphere is the layer in the Earth's atmosphere directly above the mesosphere and below the exosphere. Within this layer of the atmosphere, ultraviolet radiation causes photoionization/photodissociation of molecules, creating ions; the thermosphere thus constitutes the larger part of the ionosphere.
13 Απρ 2023 · Thermosphere: It is located between about 80 and 700 kilometers above Earth’s surface, whose lowest part contains the ionosphere. Because this layer is much closer to the sun, it can reach temperatures up to 2,000 °C (3,600 °F)
2 Οκτ 2019 · Thermosphere. Located between about 80 and 700 kilometers (50 and 440 miles) above Earth’s surface is the thermosphere, whose lowest part contains the ionosphere. In this layer, temperatures increase with altitude due to the very low density of molecules found here.
1 Ιαν 2023 · The region of an atmosphere called the thermosphere is characterized by an increase in neutral temperature as a function of altitude and asymptotes to a relatively constant temperature. The corresponding neutral atmospheric density is decreasing with altitude.
