quiet sun

noun

, Astronomy.

1. the sun at the minimum of solar activity, occurring every 11 years.
2. the unchanging background of solar phenomena.

Example Sentences

In either case, a quiet sun has benefited our species.

From New York Times

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

From Science Magazine

At the same, he estimates, two other natural influences might have led to some cooling: a relatively quiet Sun might have been responsible for a reduction of 0.16 of a Watt/sq m and volcanic eruptions another 0.06 Watt/sq m.

From BBC

But the degree to which a quiet sun could chill Earth, especially in the face of pollution that's warming the planet, is uncertain.

From Scientific American

The Maunder Minimum of the late 17th century is an oft-cited example of a time when a quiet sun—as documented by a paucity of sunspots—coincided with lower temperatures on Earth and, in particular, bitterly cold winters in Europe.

From Scientific American