solar activity

American  

noun

Astronomy.

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

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Example Sentences

Solar activity reached a peak in late 2024 and in its 11-year cycle, the solar minimum is expected around 2031/32.

From BBC

Although we are now past the peak of the current solar cycle and heading towards "solar minimum", expected around 2031-32, solar activity will remain relatively high through 2026.

From BBC

Today, numerous satellites monitor the Sun, measuring the solar wind and the energy it emits, giving us a better understanding of solar activity and earlier warnings when it increases.

From BBC

Since launch, it has provided an almost unbroken record of solar activity spanning nearly three full 11-year solar cycles.

From Science Daily

To prepare for next year's peak solar activity period, the IIA collaborated with Nasa to study the data it gathered from one of the largest CMEs that Aditya-L1 has recorded until now.

From BBC