Saturday, 07 December, 2019


There's a Black Hole in Our Galaxy That Should Not Have Existed

Astronomers spot stellar black hole so massive it shouldnt exist An illustration of the LB-1 black hole. Image Beijing Planetarium Chinese Academy of Sciences
Kristine Garrett | 30 November, 2019, 07:24

Before now, scientists did not think it was possible for a stellar black hole to have a mass larger than 20 times that of the sun, an approximation based on their understanding of the way stars evolve and die in the Milky Way. The monster black hole is located 15 thousand light-years from Earth and has been named LB-1 by the researchers.

The Chinese researchers said in the journal Nature that LB-1 was discovered by monitoring stars that appeared to be orbiting unseen objects.

"The newly-discovered black hole is twice as massive as what we thought possible. Now theorists will have to take on the challenge of explaining their formation". The mere existence of LB-1 has puzzled scientists, who are not forced to rethink theories about its formation.

The Chinese team has proposed a number of theories. 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. The study also points to a phenomenon known as fallback supernova, which means that during the supernova stage of a star's evolution - when it explodes - it only loses a fraction of its mass and the rest falls back into the black hole, increasing its size.

Black holes are as mysterious as they can. "Therefore, they should not leave behind such a massive remnant".

This is because they believed that stars start to lose their gas as they die, and lose mass as a result. Along the way, astronomers using it discovered a relatively bright star, some eight times the sun's mass, that orbits a seemingly invisible star once every 79 days. In May, Reitze's team made its own revolutionary discovery, observing the collision never seen before of a neutron star and a black hole, which sent waves in space and time.

There had been lots of other discoveries over the a year ago which occupy added to this renaissance. Putting this information together, the astronomers worked-that the black hole is 70 solar masses what they describe as exceptional.

"Black holes of such mass should not even exist in our galaxy, according to most of the current models of stellar evolution", project leader Liu Jifeng said. The vast majority of stellar black holes in our Galaxy are not engaged in a cosmic banquet, though, and thus don't emit revealing X-rays. 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. In October, researchers discovered what they believe to be a new type of black hole, smaller than the other kinds.

LB-1 was discovered by China's Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST), which has provided scientists with a new way to find the estimated 100 million black holes in the Milky Way.

As stated before, last April, scientists found the first-ever picture of a black hole, which was captured by the Event Horizon Telescope (EHT).this is an global project that connected dozens of observatories in order to capture the first-ever image of a black hole.

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