the variation of sunspots, prominences, flares, and other solar activity through an 11-year cycle.
- Also called solar activity cycle.
- Compare sunspot cycle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use solar cycle in a sentence
This is also the first X-class flare of the new solar cycle, says Kathy Reeves, an astrophysicist with the Smithsonian Astrophysical Observatory.
A solar cycle is the 11-year period during which the sun’s north and south poles flip, affecting its magnetic field and solar activity.
New data and new models probably won’t be online in time for the upcoming solar storm season, but they should be in place for solar cycle 26 in the 2030s.Solar storms can wreak havoc. We need better space weather forecasts | Ramin Skibba | February 26, 2021 | Science News
Forty-nine years make a convenient luni-solar cycle, reconciling the lunar month and the tropical solar year.The Astronomy of the Bible | E. Walter Maunder
This, as has already been explained, is the dominical or solar cycle.
This period is called the dominical or solar cycle, and restores the first day of the year to the same day of the week.
The solar cycle is a period of time after which the same days of the year recur on the same days of the week.
Cycles used in chronology are three: The solar cycle, the lunar cycle, and the cycle of indiction.