ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The sunspot Wolf number has been commonly used to investigate the temporal variation of solar activity, but the frequency of flare occurrence is also an excellent indicator. We have studied recently the time change of the spatial distribution of flare occurrences on the Sun during solar cycle 21, ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/316422a0
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