quiet sun

noun Astronomy.

the sun at the minimum of solar activity, occurring every 11 years.

the unchanging background of solar phenomena.

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Nearby words

quiescent tank, quiet, quiet as a mouse, quiet lung, quiet revolution, quiet sun, quieten, quietism, quietly, quietude, quietus

Compare active sun, solar cycle.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019