The sun is changing its shape. What happens?


A recent study shows an unexpected discovery of scientists.

According to a study published in The Astrophysical Journal, our Sun is growing and shrinking regularly, every 11 years.

The difference in size is about 1-2 kilometers in diameter, and the researchers compare this change with a "slight breath, as if the Sun inspires and expires."

The study was conducted by a team of astronomers at the New Jersey Institute of Technology, in collaboration with a team from the Côte d'Azur University.

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Scientists have been able to measure this change in the form of the Sun by analyzing the frequency of the waves emitted by the plasma jets it produces. Their frequency changes according to the size of the Sun, explains New Scientist.

To accomplish this study, astronomers analyzed observations obtained with two NASA space telescopes for 21 years.

So far, experts have no explanation for this phenomenon, but it is obviously related to the solar cycle.

Over the course of 11 years, as long as a solar cycle lasts, the Sun gradually shifts from a maximum activity, characterized by many sunspots and storms, to a minimal activity, when these phenomena are much more rare.

Researchers have noticed that the Sun dilates slightly over the minimum period of activity and contracts when it approaches the peak of activity. The link between these phenomena is not yet well understood.

Luckily, altering the shape of the Sun does not affect the climate of the Earth in any way.

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