Le site de vulgarisation scientifique de l’Université de Liège. ULg, Université de Liège
ionosphere

The ionosphere is the Earth’s upper atmosphere, which extends approximately from an altitude of 85 km to 800 km. Its name refers to its state of electrical conductivity which is characterised by a partial ionisation of the gasses. The ionosphere can be subdivided into three layers (D, E, F) according to the concentration in ions.

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