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Cad. inter-planetary Ss Jd, ete tag Biiih SAA ae, A PADSPDNCTIC 1 5 V e Vv i, , a , I a et os «as ae Ci Ack aioe, TL a oes Stale f ia hak a ga a gala e 4, PXT ACN] ig!, , When the molecules of air absorb solar, energy: they emit electrons so. that, neutral molecules of air get converted, into positively and negatively charged, particles called ions., , The ionosphere consist of the D- layers, which is the innermost layer. The, electron concentration becomes very, large between 80 km to 140 km. This, layer is known as E-layer. The layer, between 250 km to 400 km of highest, electron density is known as F-layer., , The F-layer plays an important role in, radio communications and, telecommunications., , Exosphere: The exosphere is the, outermost atmospheric region from the, Earth’s surface. It is the transitional, zone between the earth’s atmosphere