quiet sun

American  

noun

Astronomy.

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

2. the unchanging background of solar phenomena.

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Example Sentences

Scientists tackle a burning question: When will our quiet sun turn violent?

From Science Magazine • May 31, 2019

Britain and Russia are leading a smooth-running Scientific Committee for Antarctic Research, which is already working out plans for securing valuable weather data in the international "quiet sun" year in 1964-65.

From Time Magazine Archive

But, says Gurman: "We now know that there's no such thing as a quiet sun."

From Time Magazine Archive

The east was already darkening and it seemed that a quiet sun would set over the Wilderness.

From The Star of Gettysburg A Story of Southern High Tide by Altsheler, Joseph A. (Joseph Alexander)

Now every loiterer has gone in and the street lies asleep in the quiet sun, while a feeling of loneliness comes over me, and brings also an uneasy sense of neglected privileges and duties.

From Twice Told Tales by Hawthorne, Nathaniel