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    What is the heavey upper Appleton layer,??

    +2  Views: 232 Answers: 1 Posted: 6 years ago

    1 Answer

    How do you come up with these questions?


    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 area that contains the said layer. The F region contains ionized gases at a height of around 150–800 km above sea level, placing it in the Earth’s thermosphere, a hot region in the upper atmosphere, and also in the heterosphere, where chemical composition varies with height. Generally speaking, the F region has the highest concentration of free electrons and ions anywhere in the atmosphere. It may be thought of as comprising two layers, the F1-and F2-layers. http://en.wikipedia.org/wiki/F_region

    hector5559

    Thank you Colleen,I can go back to sleep now,By the way it is also related to radio air waves ,


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