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solar activity

American  

noun

Astronomy.
  1. the sum of all variable and short-lived disturbances on the sun, as sunspots, prominences, and solar flares.


Example Sentences

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Although the Carrington Event remains the most famous example from this period, evidence of solar activity interfering with electrical systems stretches back even further.

From Science Daily ● Oct. 21, 2026

They compared railway timetables and newspaper reports with observations of solar activity, accounts of auroras, and digitized measurements of Earth's magnetic field.

From Science Daily ● Oct. 21, 2026

University of Pennsylvania climate scientist Michael Mann noted in a post on Bluesky that other factors, such as volcanic and solar activity, could explain patterns seen in the coral record.

From Los Angeles Times ● Sep. 4, 2026

With the technological abilities of modern cameras, including those on your phone, you can take good pictures of eclipses and other solar activity like sunspots, which look like dark patches on the Sun's surface.

From BBC ● Aug. 13, 2026

His launch had been delayed due to various technical problems and high solar activity.

From "Women in Space" by Karen Bush Gibson

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