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Maunder Minimum
Maunder Minimumnouna period between 1645 and 1715 characterized by unusually low sunspot activity and global cooling.
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Maunder minimum
Maunder minimumA period of unusually low sunspot activity lasting from approximately 1645 to 1715, as noted in records kept by contemporary observers. The Maunder minimum corresponds roughly to the middle and coldest portion of the climatic period known as the Little Ice Age, and although no definitive link has yet been proved, many scientists believe that the two phenomena are likely related. The Maunder minimum is named after its discoverer, British astronomer Edward Walter Maunder (1851–1924).
Maunder Minimum
Americannoun
Example Sentences
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By building a decades-long record of observations of a few dozen stars at specific wavelengths that trace stellar activity, a team of astronomers has identified another star going through its own Maunder Minimum period.
From Science Magazine ● Aug. 9, 2022
“I am more convinced this is a Maunder Minimum star than anything else I’ve seen,” says Jennifer van Saders, an astronomer at the University of Hawaii, Manoa, who was not involved in the discovery.
From Science Magazine ● Aug. 9, 2022
Historical accounts also indicate that auroral activity was abnormally low throughout the several decades of the Maunder Minimum.
From Textbooks ● Oct. 13, 2016
Besides the Maunder Minimum in the seventeenth century, sunspot numbers were somewhat lower during the first part of the nineteenth century than they are now; this period is called the Little Maunder Minimum.
From Textbooks ● Oct. 13, 2016
"We found that you could accommodate both the Maunder Minimum and the last few years into the same framework," he told BBC News.
From BBC ● Apr. 14, 2010
When sunspots were rare, as they were during the Maunder minimum, the amount of carbon 14 in the tree rings increased markedly; when they were numerous, the amount decreased.
From Time Magazine Archive
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Many scientists doubted it, suggesting that the correlation between the Maunder minimum and the little ice age might be nothing more than sheer coincidence.
From Time Magazine Archive
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.