sunspot
noun
sun·spot
ˈsən-ˌspät 
: any of the dark spots that appear at times on the sun's surface and are usually visible only through a telescope
Examples of sunspot in a Sentence
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With complex sunspot regions facing Earth, the storm delivered one of the most widespread auroral events since activity peaked in late 2024.
—
Jamie Carter, Forbes.com, 2 Sep. 2025
The number of sunspots, which are cool and dark patches on the sun, varies across its 11-year solar cycle, with the maximum number of sunspots corresponding with maximum solar activity.
—Robert Lea, Space.com, 27 Aug. 2025
Solar science involves analyzing sunspots and other solar activity, while climatology focuses on weather patterns, and meteorology studies atmospheric conditions.
—Joe Edwards, MSNBC Newsweek, 27 Aug. 2025
The Farmers’ Almanac uses a proprietary astronomical and mathematical formula that dates back to 1818, which looks at things like planet positions, the moon location, as well as sunspot activity for the basis of its long-range outlooks.
—Kansas City Star, 16 Aug. 2025
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Jamie Carter, Forbes.com, 2 Sep. 2025
The number of sunspots, which are cool and dark patches on the sun, varies across its 11-year solar cycle, with the maximum number of sunspots corresponding with maximum solar activity.
—Robert Lea, Space.com, 27 Aug. 2025
Solar science involves analyzing sunspots and other solar activity, while climatology focuses on weather patterns, and meteorology studies atmospheric conditions.
—Joe Edwards, MSNBC Newsweek, 27 Aug. 2025
The Farmers’ Almanac uses a proprietary astronomical and mathematical formula that dates back to 1818, which looks at things like planet positions, the moon location, as well as sunspot activity for the basis of its long-range outlooks.
—Kansas City Star, 16 Aug. 2025
See All Example Sentences for sunspot
Cite this Entry
“Sunspot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sunspot. Accessed 9 Sep. 2025.
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sunspot
noun
sun·spot
-ˌspät
: one of the dark spots that appear from time to time on the sun's surface and are usually visible only through a telescope
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