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physical phenomena > event > celestial event > periodic celestial event > active Sun
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active Sun
subjectfact 
active Sunhas period 11 yearshas source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:30:02.0
has definition The Sun during its 11-year cycle of activity when spots, flares, prominences, and variations in radiofrequency radiation are at a maximum.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:30:02.0
is an instance of periodic celestial event2001-09-27 09:30:02.0
is an instance of solar event2001-09-27 09:30:02.0
solar eventoccurs on Sun2001-09-27 09:30:02.0
eventhas duration2001-09-27 09:29:57.0
has synonym world point2001-09-27 09:29:57.0
has time of occurrence2001-09-27 09:29:57.0