sunspot cycle
Americannoun
Example Sentences
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This relationship has often been utilised to forecast the strength of a sunspot cycle based on observations of its early rising phase.
From Science Daily • Nov. 28, 2023
The 11-year sunspot cycle, they say, based on an analysis of 140 years of solar measurements, belies a more fundamental 22-year Hale cycle, named after its discoverer, George Ellery Hale.
From New York Times • May 28, 2021
He failed to find the hoped-for planet, but his diligence paid off with an even-more important discovery: the sunspot cycle.
From Textbooks • Oct. 13, 2016
Then there is the sun's variability, mostly in the form of the 11-year sunspot cycle.
From Slate • Sep. 9, 2012
The last sunspot cycle had the highest maximum of any since 1780, but the present cycle bids fair to set an all time record.
From Disturbing Sun by Richardson, Robert S. (Robert Shirley)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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