Browsing Research Output by Subject "solar minimum activity"
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Modulation of galactic protons in the heliosphere during the unusual solar minimum of 2006 to 2009 (Springer Verlag, 2014)The last solar minimum activity period, and the consequent minimum modulation conditions for cosmic rays, was unusual. The highest levels of galactic protons were recorded at Earth in late 2009 in contrast to expectations. ...