what is the ionosphere
The ionosphere is that region of the upper atmosphere of a planet where charged particles (electrons and ions) of thermal energy are present, which are the result of ionization of the neutral atmospheric constituents by electromagnetic and corpuscular radiation.he termination of the ionosphere is then the indirect result of the solar wind interaction; e. g., in the case of Earth, represented by the boundary between solar-wind induced convective motions inside the magnetosphere and the co-rotating ionospheric plasma called the plasmapause.