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Additional
ionosphere
English Wikipedia - The Free Encyclopedia
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Ionosphere
The
ionosphere
() is a region of Earth's upper
atmosphere
, from about to altitude, and includes the
thermosphere
and parts of the
mesosphere
and
exosphere
. It is
ionized
by solar radiation, plays an important part in
atmospheric electricity
and forms the inner edge of the
magnetosphere
. It has practical importance because, among other functions, it influences
radio propagation
to distant places on the
Earth
.
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