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A "hurricane" of dark matter with a mass of ten billion suns begins to reach the Earth in its passage by the Milky Way. Ciaran O Hare, a postdoctoral researcher at the University of Zaragoza, has just published the data in one of the most prestigious physical journals, Physical Review D.
We share a brief explanation of "dark matter":
When a small galaxy encounters a large one, the gravitational forces of the second galaxy break the first. However, there are still space currents that displace "dark matter" and other debris.
This dark matter travels in the current called S1 and exists in large quantities in space.
This black matter stream was discovered in 2017 by the Gaia satellite.
This event is a unique opportunity for scientists to study this mysterious component of the universe.
All galaxies are surrounded by dark matter. For example, Our solar system travels the dark matter halo at a speed of 230 km / s. Dark matter therefore appears to us as a "wind" of great speed.
"There are tons of these currents in the galaxy, some of them are really huge and you can see them in the sky," said Ciaran O. hare.
When this dark matter arrives, it will reach the Sun and any dark matter detector on Earth at a speed greater than 500 km / s. It's twice as fast as the "standard" wind of dark matter in our galaxy.
The scientist and his colleagues have called this a "hurricane of dark matter" and it is an invaluable opportunity to detect it.
It will not affect our lives or our planet in a physical way. O & # 39; Hare and his colleagues believe that the "Hurricane" approach will greatly increase the chances of detection of dark matter.
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