Publicado: Lun, Diciembre 02, 2019
Ciencia | Por Aurelio Ontiveros

Scientists discover 'monster black hole' so big it 'shouldn't exist'

Scientists discover 'monster black hole' so big it 'shouldn't exist'

The researchers explained that until a few years ago, stellar black holes could only be discovered when they gobbled up gas from a companion star.

"This discovery forces us to re-glance our units of how stellar-mass black holes receive", said David Reitze, a physicist on the College of Florida. The mass of an individual stellar black hole in our galaxy has always been estimated to be no more than 20 times that of the Sun, according to researchers.

Professor Jifeng Liu of the academy stated that a black hole that size should not even exist within our galaxy, based on the majority of the models of stellar evolution. "LB-1 is twice as massive as we thought possible".

Second, are supermassive black holes which are at least a million times bigger than the Sun, and we don't know how these are formed.

A huge stellar black hole 15,000 light-years from Earth is twice as massive as what researchers thought was possible in our own galaxy.

Scientists believe supermassive black holes may be connected to the formation of galaxies, as they often exist at the center of the massive star systems - but it is still not clear exactly how, or which form first.

Bregman acknowledged scientists are continuously attempting to be taught more about the start and loss of life of stars, and the discovery of 1 as big as LB-1 may per chance well elaborate that direction of.

The results were nothing short of fantastic: a star eight times heavier than the Sun was seen orbiting a 70-solar-mass black hole, every 79 days. Professor Liu goes on to say that spotting this black hole proved to be a challenge because of the possibility that only one star may be orbiting around a black hole.

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"No one has ever seen a 70-solar-mass stellar black hole anywhere", Joel Bregman, one of the study authors and a professor of astronomy at the University of MI, said in an interview. But the newly-discovered black hole is the largest of its kind.

Another theory is that the debris ejected from a supernova fell right back into the supernova, and in so doing, created a black hole.

"This result so remarkable that the LIGO-Virgo binary black hole collisions detections during the past four years really testifies to a renaissance in our understanding of astrophysical black hole", said Reitze. If right here is how LB-1 fashioned, then we would possibly well occupy "divulge proof for this process" for the first time, the explore said.

"Therefore, they should not let such remains solid", he continues.

A rendering by artist Yu Jingchuan of the accretion of gas onto a stellar black hole from its blue companion star, through a truncated accretion disk.

The technique by which the black hole was recognized was extremely sharp.

There are also supermassive black holes, which nearly always live in the center of galaxies and range from a million to a few billion times the mass of the sun.

The researchers do acknowledge some caveats with the study, according to Science News.

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