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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.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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)

But for the most part the winds are laid, and the sole change is from quiet sun to quiet shower.

From Indian Summer by Howells, William Dean