Quote:
Originally Posted by nancyvinci43
I don't understand... How do you define heartbeat of a celestial body?
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We have known the sun had an 11 year cycle. During each cycle the sun spot count has a peak and valley.
A max count and a minimum count. Sometimes referred to as the heartbeat of the Sun.
https://phys.org/news/2015-07-irregu...en-dynamo.html
https://en.wikipedia.org/wiki/Solar_cycle
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