In the coming days, months, years or centuries, the brightness of a single star in the sky could rival that of the entire full moon! This would require that the red supergiant Betelgeuse, located in the constellation of Orion, pass the weapon to the left in a formidable explosion called surpernova. Astronomers have absolutely no doubt that this will happen: all the stars of its mass (between 10 and 20 times that of the Sun) are predestined there. But the exact timing remains very uncertain. The star is dying, but it could collapse on itself as well tomorrow as in 100,000 years or more. And no warning sign should in principle prepare us for it.
To read also: Near us, a strange cosmic wave where stars are born
It is with these elements in mind that we must look at the latest news that comes from this cosmic neighbor, located about 700 light years away (for comparison, our galaxy is 2000 times larger than that). Since November,
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