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  2. Mars Hill, Alabama - Wikipedia

    en.wikipedia.org/wiki/Mars_Hill,_Alabama

    The community was named after Mars Hill , in Ancient Greece. [2] The community was once home to the Wright and Rice Iron Foundry. The foundry began operating in 1835 and manufactured various kinds of machinery and equipment. During the American Civil War, the 7th Illinois Volunteer Infantry Regiment camped at the site of the foundry.

  3. UAH satellite temperature dataset - Wikipedia

    en.wikipedia.org/wiki/UAH_satellite_temperature...

    To compare to the trend from the surface temperature record (+0.161±0.033 °C/decade from 1979 to 2012 according to NASA GISS [6]) it is most appropriate to derive trends for the part of the atmosphere nearest the surface, i.e., the lower troposphere. Doing this, through December 2019, the UAH linear temperature trend 1979-2019 shows a warming ...

  4. Atmosphere of Earth - Wikipedia

    en.wikipedia.org/wiki/Atmosphere_of_Earth

    In this layer ozone concentrations are about 2 to 8 parts per million, which is much higher than in the lower atmosphere but still very small compared to the main components of the atmosphere. It is mainly located in the lower portion of the stratosphere from about 15–35 km (9.3–21.7 mi; 49,000–115,000 ft), though the thickness varies ...

  5. U.S. Standard Atmosphere - Wikipedia

    en.wikipedia.org/wiki/U.S._Standard_Atmosphere

    The U.S. Standard Atmosphere is a static atmospheric model of how the pressure, temperature, density, and viscosity of the Earth's atmosphere change over a wide range of altitudes or elevations. The model, based on an existing international standard, was first published in 1958 by the U.S. Committee on Extension to the Standard Atmosphere, and ...

  6. Atmospheric entry - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_entry

    Mars Exploration Rover (MER) aeroshell, artistic rendition. Atmospheric entry (sometimes listed as V impact or V entry) is the movement of an object from outer space into and through the gases of an atmosphere of a planet, dwarf planet, or natural satellite.

  7. Atmospheric window - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_window

    The windows are themselves dependent upon clouds, water vapor, trace greenhouse gases, and other components of the atmosphere. [ 8 ] Out of an average 340 watts per square meter (W/m 2 ) of solar irradiance at the top of the atmosphere, about 200 W/m 2 reaches the surface via windows, mostly the optical and infrared.

  8. Scientists crack mystery of Mars' missing atmosphere -- the ...

    www.aol.com/news/2015-11-05-scientists-crack...

    Unlike Earth, Mars does not have a global magnetic field to protect its atmosphere, leaving it vulnerable to solar ultraviolet radiation. Scientists crack mystery of Mars' missing atmosphere ...

  9. Atmospheric chemistry - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_chemistry

    Atmospheric chemistry is a branch of atmospheric science that studies the chemistry of the Earth's atmosphere and that of other planets. This multidisciplinary approach of research draws on environmental chemistry, physics, meteorology, computer modeling, oceanography, geology and volcanology, climatology and other disciplines to understand both natural and human-induced changes in atmospheric ...