Astrophysicists May Have Cracked Mystery of Vanishing Stars

Rather than dying dramatically in a massive supernova explosion, some large stars may die quietly and without fanfare.This may explain the mysterious and sudden disappearance of certain stars from the night sky spotted by astronomers over the years, according to a new paper in the journal Physical Review Letters.These massive stars may completely collapse in on themselves and become black holes without a supernova, which has been long thought to be a necessary part of the death of a large star.

in a small neighboring galaxy known as the Large Magellanic Cloud, which is comprised of a large star and a black hole with a mass around 10 times that of our sun.This system should have traces of the black hole star having gone supernova in the past, but astronomers could find no such evidence.'Normally, supernova events in star systems can be measured in various ways after they occur.

is an extraordinary system. The orbit of the system has barely changed since the collapse of the star into a black hole,' said Vigna-Gómez.Astronomers would have expected to see signs of a 'natal kick,' which is when a neutron star or black hole formed in a supernova is accelerated to between 100-1000 km per second by the immense forces of the supernova explosion.

system.'The orbit of VFTS is almost circular and our analysis indicates there are no signs of large asymmetries during collapse. This again indicates the absence of an explosion,' Vigna Gomez said.Therefore, the black hole in the

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