ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Although the filaments are very thin, subtending about 8 geocentric arc s when seen vertically, nevertheless, "regions of reduced radio brightness situated above filaments" were detected1 in 1959 and explained in terms of "relatively cold prominences which are optically thick to 8-mm radiation". ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/290758a0
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