solar activity
noun Astronomy.
the sum of all variable and short-lived disturbances on the sun, as sunspots, prominences, and solar flares.
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Nearby words
solanaceous, solander, solanine, solanum, solar, solar activity, solar apex, solar battery, solar cell, solar cells, solar chariot
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019