Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of the relatively cool dark spots appearing periodically in groups on the surface of the sun that are associated with strong magnetic fields.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun astronomy A region on the
sun 's surface with a lowertemperature than its surroundings and intensemagnetic activity.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field
Etymologies
Sorry, no etymologies found.
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Examples
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Decadal and longer changes in sunspot activity impacting warming and cooling cloud cover patterns are now being recognized as an important factor.
Confessions Of A Climate Crisis Skeptic Larry Bell 2010
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Officially, the flare-spouting region is called sunspot 1283.
FOXNews.com 2011
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As a long time fan of contemporary folklore, I thought it might be interesting to track this particular meme, so I used a popular search engine feature in which I registered a particular string (the word sunspot, in this case), and every day it sent me a summary of every new use of this word found on Web sites, in blogs, Usenet newsgroups and newspapers, along with links to these articles.
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As a long time fan of contemporary folklore, I thought it might be interesting to track this particular meme, so I used a popular search engine feature in which I registered a particular string (the word sunspot, in this case), and every day it sent me a summary of every new use of this word found on web sites, in blogs, Usenet newsgroups, and newspapers, along with links to these articles.
eHam.net News 2009
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"Whether [the current downturn] is an omen of long-term sunspot decline, analogous to the Maunder Minimum, remains to be seen," Livingston and Penn caution in a recent issue of EOS.
GREENIE WATCH 2009
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As a long time fan of contemporary folklore, I thought it might be interesting to track this particular meme, so I used a popular search engine feature in which I registered a particular string (the word sunspot, in this case), and every day it sent me a summary of every new use of this word found on Web sites, in blogs, Usenet newsgroups and newspapers, along with links to these articles.
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And the article’s study of variations in sunspot activity and cosmic rays goes up only until 1980.
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A sunspot is a region on the Sun that is cooler than its surroundings.
Disturbing Sun 1941
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The storm erupted from a region known as sunspot 1302.
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The region on the sun's disk known as sunspot 1283 has been spouting off with one flare after another, earning it the title of "Old Faithful" among solar physicists.
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