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solar activity
noun
- the sum of all variable and short-lived disturbances on the sun, as sunspots, prominences, and solar flares.
Example Sentences
We've seen a combination of high solar activity and an effect that happens around the equinox that can boost the energy needed for aurora.
With solar activity remaining high throughout 2025, there should still be many more opportunities to see the Northern Lights before activity starts to decrease towards the next solar minimum around 2030.
The lights, also known as aurora borealis, have been making an appearance over the past two nights due to a recent increase in solar activity.
Solar activity increased on New Year's Eve with a geomagnetic storm sending bursts of energy - charged particles - directed towards Earth.
Now technology has improved it means we have better forecasts, apps and social media to give us real-time information on solar activity.
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