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

See Examples For:

solar activity

They also offer potential independent support for previous reconstructions of solar activity based on radiocarbon measurements.

From Science Daily ● Oct. 26, 2026

By measuring changes in radiocarbon concentrations across successive tree rings, scientists can reconstruct how solar activity varied long before modern instruments existed.

From Science Daily ● Oct. 26, 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

That and the solar activity caused high temperatures in the capsule, and he had to return early.

From "Women in Space" by Karen Bush Gibson

Random Word

Spin the wheel and learn a new word!

---