Sentences with phrase «of magnetic activity»

Add into the mix the fact that M - dwarfs can maintain high levels of magnetic activity for billions of years.

The findings found increased incidents of RA and GCA to be in periodic concert with the cycle of magnetic activity of the sun.

Sunspots, markers of magnetic activity on the sun's surface, provide a visual proxy for the cycle's evolution; they appear in droves at maximum and all but disappear at minimum.

A. 1) that the solar irradiance for model C and, therefore, the measured solar irradiance for the last two minima, can be successfully reproduced with a combination of model A and model E -LRB--RRB-: (A. 1) The linear scaling of the magnetic activity of the quiet Sun with proxies, as described in the main text, is equivalent to setting the model E filling factor to be proportional to a chosen proxy.

Sunspots, markers of magnetic activity on the sun's surface, provide a visual proxy to mark the cycle's evolution, appearing in droves at maximum and all but disappearing at minimum.

Not only could she see starspots (giant signatures of magnetic activity) on its surface, but she noted that they behaved utterly unlike the spots on the sun.

About once every 11 years, the sun goes ballistic, throwing out more bursts of magnetic activity than normal.

Many of those storms originate at sunspots, dark blemishes on the sun's surface that are wellsprings of magnetic activity.

But these rocks are difficult to analyse because they were re-heated around 2.6 billion years ago, which left a record of magnetic activity then that partially overlaid older evidence.

«Musical sun reduces range of magnetic activity.»

But they also show a lot of magnetic activity, causing high levels of X-rays and ultraviolet light to be produced which might completely evaporate the planets» atmospheres.

He claimed that the Maunder Minimum coincided in time with an era of colder weather, and that by implication the absence of magnetic activity was accompanied by a net fall in the total radiative output of the Sun.

This twisting action gives rise to the solar dynamo and an 11 - year solar cycle of magnetic activity as the Sun's magnetic field reverses itself about every 11 years.

Wolf 359 is classified as a flare star, one that can undergo dramatic increases in luminosity for several minutes as a result of magnetic activity on its surface.

«HMI» explained: The primary goal of the Helioseismic and Magnetic Imager (HMI) investigation is to study the origin of solar variability and to characterize and understand the Sun's interior and the various components of magnetic activity.

The evolution of the magnetic activity of the quiet Sun can be represented by the time - dependent fractional contributions (i.e. filling factors) of different components of the quiet Sun.

In this artist's illustration, the young Sun - like star Kappa Ceti is blotched with large starspots, a sign of its high level of magnetic activity.

However, a new study finds that the seasons are not the only thing changing Titan's atmosphere: its chemical makeup fluctuates according to the Sun's 11 - year cycle of magnetic activity.

The stars likely formed at the same time, but the main star appears to be 3 billion to 3 1/2 billion years younger than its companion star because it rotates faster, displays higher levels of magnetic activity and is about 30 times brighter in X-rays than its companion.

During their early life, Sun - like stars spin very fast, creating extremely high levels of magnetic activity that drive powerful stellar flares, coronal mass ejections, and an outpouring of X-ray and ultraviolet radiation.

We find during the past 11,400 years the Sun spent only of the order of 10 % of the time at a similar high level of magnetic activity and almost all of the earlier high - activity periods were shorter than the present episode.»

It has continuous Sun - quakes (the solar equivalent of Earthquakes), exhibits an easily recognized 11 - year cycle of magnetic activity and sunspots, and oscillates on a much shorter time scale like a pulsar [See: Peter Toth, «Is the Sun a pulsar?»