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| Definition Of: |
Ionosphere
The region of the Earth's upper atmosphere containing a small percentage of free electrons and ions produced by photoionization of the constituents of the atmosphere by solar ultraviolet radiation at very short wavelengths (less than 1000 angstroms). The ionosphere significantly influences radiowave propagation of frequencies less than about 30 MHz.
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Solar Energy Dictionary INDEX:
List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 A: Page 1 of 1.
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