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solar activity

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

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This is important because intense solar activity can affect satellite communication and knock out power grids on Earth.

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These storms, caused by solar activity, are best known for producing the aurora borealis - the Northern Lights - which have been seen in Wales several times recently.

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While solar activity remains elevated, there is a chance of seeing the Northern Lights again tonight, mostly in the north of the UK.

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According to 'AuroraWatch UK', solar activity increased with 'amber' and then 'red' alerts being issued late on Tuesday.

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With solar activity remaining elevated, there could be another chance to see the Northern Lights, mostly across northern areas of the UK on Wednesday night.

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solarsolar apex