Polar Coronal Holes and Cosmic-Ray Modulation
- 15 February 1980
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 207 (4432) , 761-763
- https://doi.org/10.1126/science.207.4432.761
Abstract
A comparison of the size of polar coronal holes with the cosmic-ray intensity observed during the most recent sunspot cycle shows close correspondence. This lends support to recent suggestions that the well-known sunspot-cycle modulation of cosmic rays is a three-dimensional effect, probably related to the global character of the interplanetary magnetic field.Keywords
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