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Ionosphere:
Name given to a layer or layers of ionized air in the atmosphere extending from almost 60 km (about 50 mi) above the surface of the earth to altitudes of 1000 km (600 mi) and more.
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ionosphere
- ionized layers in upper atmosphere: four layers of the Earth's upper atmosphere in which incoming ionizing radiation from space creates ions and free electrons that can reflect radio signals, enabling their transmission around the world
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  • Ionosphere - Wikipedia, the free encyclopedia

    The ionosphere is the uppermost part of the atmosphere, distinguished because it is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the ...

  • About the Ionosphere

    What is the Ionosphere? Earth's atmosphere varies in density and composition as the altitude increases above the surface. The lowest part of the atmosphere is called the ...

  • Ionosphere Travel

    Bus Tours Senior Adult Travel Caribbean Mexico Honeymoon Charter Bus Motorcoach Motor Coach Vacation Family Disney Sandals Couples Cruise All Inclusive Packages United States South ...

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