Sentence examples for activity cycle from inspiring English sources

Some of that complexity shows up in what we call sunspots, which are dense pockets of magnetic activity that appear during the more active periods in the sun's 11-year activity cycle.

Next month's Venus transit comes during an active period in the sun's 11-year activity cycle, and it's likely that some sunspots will darken the solar surface on June 5.

Wilson, P. R. et al. The extended solar activity cycle.

Our Sun experiences an 11-year activity cycle.

Dartnell pointed out that MSL made its journey to Mars during a relatively quiet phase in the sun's activity cycle.

Johnson, M. C. et al. A 12-year activity cycle for the nearby planet host star HD 219134.

There's also evidence that low phases of the sun's 11-year activity cycle might influence the NAO and thus bring cold winters to Britain.

The sun's activity cycle is set to reach a maximum in the coming years, so its potential to cause damage is getting higher, according to scientists.

She calls this the "over-activity, under-activity" cycle.

Over the last few years there has been a lot of talk, some of it controversial, about BRAC (Basic Rest-Activity Cycle) also known as the Ultradian Cycle.

For their study, they identified what's known as a circadian "relative amplitude variable," which tells how much or how little a person's rest-activity cycle is disrupted.