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  2. Thermosphere - Wikipedia

    en.wikipedia.org/wiki/Thermosphere

    A diagram of the layers of Earth's atmosphere. The thermosphere is the layer in the Earth's atmosphere ... Temperatures are highly dependent on solar activity, and ...

  3. File:High School Earth Science 1-13.pdf - Wikipedia

    en.wikipedia.org/wiki/File:High_School_Earth...

    Original file (1,275 × 1,650 pixels, file size: 95.26 MB, MIME type: application/pdf, 510 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  4. Atmospheric temperature - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_temperature

    These layers are the troposphere, stratosphere, mesosphere, and thermosphere. The troposphere is the lowest of the four layers and extends from the surface of the Earth to about 11 km (6.8 mi) into the atmosphere, where the tropopause (the boundary between the troposphere stratosphere) is located. The width of the troposphere can vary depending ...

  5. Atmosphere of Earth - Wikipedia

    en.wikipedia.org/wiki/Atmosphere_of_Earth

    The troposphere is the lowest layer of Earth's atmosphere. It extends from Earth's surface to an average height of about 12 km (7.5 mi; 39,000 ft), although this altitude varies from about 9 km (5.6 mi; 30,000 ft) at the geographic poles to 17 km (11 mi; 56,000 ft) at the Equator, [17] with some variation due

  6. Thermopause - Wikipedia

    en.wikipedia.org/wiki/Thermopause

    The thermopause is the atmospheric boundary of Earth's energy system, located at the top of the thermosphere. [1] The temperature of the thermopause could range from nearly absolute zero to 987.547 °C (1,810 °F).

  7. Atmospheric circulation - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_circulation

    The Earth's weather is a consequence of its illumination by the Sun and the laws of thermodynamics. The atmospheric circulation can be viewed as a heat engine driven by the Sun's energy and whose energy sink, ultimately, is the blackness of space. The work produced by that engine causes the motion of the masses of air, and in that process it ...

  8. Heterosphere - Wikipedia

    en.wikipedia.org/wiki/Heterosphere

    The volume fraction of the main gases in Earth's atmosphere according to height. The heterosphere is above about 100 km in the graph. The heterosphere of Earth begins at about 100 km altitude and extends to the outer reaches of its atmosphere. [3] It incorporates most of the thermosphere and all of the exosphere. The major constituents of Earth ...

  9. Atmosphere - Wikipedia

    en.wikipedia.org/wiki/Atmosphere

    The composition of Earth's atmosphere is determined by the by-products of the life that it sustains. Dry air (mixture of gases) from Earth's atmosphere contains 78.08% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and traces of hydrogen, helium, and other "noble" gases (by volume), but generally a variable amount of water vapor is ...

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