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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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Every day, specialists are working on models aiming to explain solar activity, allowing them "to put the Sun back into context within its evolutionary timeline, from its birth to its death," he added.

From Barron's Aug. 5, 2026

"We did that," she continued, but "what has happened is essentially a mixture of solar activity and gravity forces have put it on a path towards the Moon."

From Barron's Aug. 4, 2026

Those variations can be influenced by factors including solar activity and changes in Earth's magnetic field.

From Science Daily Jul. 28, 2026

Each mission captured several days of data, allowing scientists to piece together a more complete picture of the prolonged solar activity.

From Science Daily May 23, 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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