Midsized black hole may be hiding out in the Milky Way

Midsized black hole may be hiding out in the Milky Way

Midsized black hole may be hiding out in the Milky Way

The presence of the mid-sized black hole so close to Sagittarius A* - a mere 200 light years away - could provide valuable fuel to the theory that smaller black holes drift towards the centre of the galaxy, coalescing into bigger black holes until they join the supermassive centre point.

Yet, the Intermediate Mass Black Holes (IMBHs) have been considered as a missing link in the cosmic objects' evolution and science behind the formation of the supermassive black holes.

Researchers will continue to study this IMBH in order to understand its nature in a detailed manner.

The team originally spotted the gas cloud using the Nobeyama radio telescope in Japan-but to learn more about what they had found required something bigger, so they ventured to Chile, where they gained access to the Atacama Large Millimeter/submillimeter Array. The reason for this interest has to do with the fact that gases in this cloud - which include hydrogen cyanide and carbon monoxide - move at vastly different speeds, which is something unusual for a cloud of interstellar gases.

"If confirmed by others, having such an intermediate mass black hole in our Milky Way is going to open up so many exciting possibilities", Schawinski said via email.

Because nothing - not even light - can escape black holes, scientists must infer their existence indirectly, via surrounding visible light, x-rays, or radio waves.

Given that the sun is over a hundred times the size of our little planet, that means this black hole is an absolutely ridiculous size.

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Black holes appear in the Universe too early for there to have been enough time for any small black holes to have fed on enough material to become supermassive. What is obscure is the manner by which these supermassive black holes frame. While intermediate-mass black holes play a key role in many cosmological models, we have yet to confirm any actually exist. This particular black hole would be on the range of 100,000 solar masses.

We know there's a supermassive black hole at the center of our galaxy, and now we have evidence for another one.

Theoretical studies have predicted 100 million to one billion black holes should exist in the Milky Way - but only 60 or so have been identified through observations so far.

CO-0.40-0.22 had a very large broadening, indicating its contents were moving rapidly.

In 2016, Oka and colleagues from Keio University reported discovering a peculiar cloud of molecular gas, dubbed CO-0.40-0.22, near the center of the Milky Way. They found that this molecular cloud exhibited some properties which are hard to explain, but would fit in very nicely a with "gravitational kick" caused by an "invisible compact object". "We think some of those black holes are the seeds from which the much larger supermassive black holes grow to at least a million times more massive". Significant data have also been gathered for #Supermassive Black Holes which hold millions to billions of masses in their galactic cores.

But Oko and his team posit that CO-0.40-0.22 used to be the nucleus of a dwarf galaxy that was slowly drawn into the Milky Way.

They conclude their paper by saying that such a discovery would make a considerable contribution to the progress of modern physics.

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