F layers (Appleton layers)

F layers (Appleton layers)
слои земной атмосферы на высотах 200 км и 300 км

English-Russian astronomy dictionary. 2013.

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  • Appleton, Sir Edward Victor — ▪ British physicist born Sept. 6, 1892, Bradford, Yorkshire, Eng. died April 21, 1965, Edinburgh, Scot.       British winner of the Nobel Prize for Physics in 1947 for his discovery of the so called Appleton layer of the ionosphere, which is a… …   Universalium

  • Appleton layers — /ˈæpəltən leɪəz/ (say apuhltuhn layuhz) plural noun the upper layers of the ionosphere, beyond the Heaviside layer, important in the reflection of radio waves. See F layer. {named after Sir Edward Appleton} …   Australian-English dictionary

  • Edward Victor Appleton — Infobox Scientist name = Sir Edward Appleton imagesize = 120px caption = Edward Victor Appleton in army uniform, taken in World War I. birth date = birth date|1892|9|6 birth place = Bradford, West Yorkshire, England death date = death date and… …   Wikipedia

  • ionosphere and magnetosphere — ▪ atmospheric science Introduction       regions of Earth s (Earth) atmosphere in which the number of electrically charged particles ions (ion) and electrons (electron) are large enough to affect the propagation of radio waves (electromagnetic… …   Universalium

  • Ionosphere — The ionosphere is a part of the upper atmosphere, comprising portions of the mesosphere, thermosphere and exosphere, distinguished because it is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner …   Wikipedia

  • Marcellus Formation — Stratigraphic range: Middle Devonian …   Wikipedia

  • Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

  • Maximian — For other people named Maximian or Maximianus, see Maximianus (disambiguation). Maximian 52nd Emperor of the Roman Empire Bust of Emperor Maximian …   Wikipedia

  • F region — The F region of the ionosphere is home to the F layer of ionization, also called the Appleton layer , after the English physicist Edward Appleton. As with other ionospheric sectors, layer implies a concentration of plasma, while region is the… …   Wikipedia

  • Layer — may refer to: * A layer of dieposits found on archaeological excavation isolated as a single context in the stratigraphy of the site * A layer hen, a hen raised to produce eggs. * In abstraction, a layer is an abstract place conceived as having… …   Wikipedia

  • Copper alloys in aquaculture — A copper alloy pen that has been deployed on a fish farm at depth of 14 feet for one year shows no signs of biofouling. Recently, copper alloys have become important netting materials in aquaculture (the farming of aquatic organisms including… …   Wikipedia


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