ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] THE upper atmosphere of the Earth, particularly above 50 km altitude, is partly ionized by solar radiation. The electron densities that result display diurnal, seasonal and other quasi-regular variations, the peak densities occurring within the so-called F-region of the ionosphere (see Fig. 1). ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/296111a0
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