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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This provides scientists with a richer and more consistent archive of solar observations for their research, particularly for long-term analyses of historic sunspots, rare events and studies that require combining data from multiple instruments, the study authors say.
—
Sharmila Kuthunur, Space.com, 17 Apr. 2025
Unusually, these solar flares didn't come from sunspots — dark patches on the sun's surface indicating intense magnetic activity— but magnetic filaments detaching from the sun.
—Jamie Carter, Forbes.com, 16 Apr. 2025
Magnetic field lines often connect neighboring sunspots, which are the source of solar eruptions.
—Eric Lagatta, USA TODAY, 25 Nov. 2024
However, the frequency of sunspots, solar flares and coronal mass ejections is not constant.
—Ryan French, Space.com, 27 Mar. 2025
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Sharmila Kuthunur, Space.com, 17 Apr. 2025
Unusually, these solar flares didn't come from sunspots — dark patches on the sun's surface indicating intense magnetic activity— but magnetic filaments detaching from the sun.
—Jamie Carter, Forbes.com, 16 Apr. 2025
Magnetic field lines often connect neighboring sunspots, which are the source of solar eruptions.
—Eric Lagatta, USA TODAY, 25 Nov. 2024
However, the frequency of sunspots, solar flares and coronal mass ejections is not constant.
—Ryan French, Space.com, 27 Mar. 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 28 Apr. 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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