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

But, with solar activity generally remaining active there should be more opportunities to see the aurora in the coming months.

From BBC

The Northern Lights are mostly visible near the Arctic Circle but at times of high solar activity can be seen in other areas.

From BBC

One recent example occurred in February 2022, when 38 of 49 Starlink satellites belonging to US space company SpaceX were lost just two days after launch due to heightened solar activity.

From Science Daily

Solar activity is expected to remain elevated for the first part of 2026, before the Sun enters its declining phase which leads back to the next solar minimum around 2030.

From BBC

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

From BBC