Another Monster Black Hole Found in the Milky Way

Image credit Dana Berry Skyworks Digital  NASA  Nat Geo

If confirmed, this discovery will constitute the second-largest black hole to be discovered within the Milky Way.

Astronomers have long chased evidence of mid-sized black holes - black holes larger than the ones formed from a single star, but still much smaller than supermassive black holes.

Observations from the Alma telescope in Chile showed that molecules in the elliptical cloud, which is 200 light years from the centre of the Milky Way and 150 trillion kilometres wide, were being pulled around by vast gravitational forces.

According to Time and Newsweek, those gases (which moved at different speeds and included molecules such as carbon monoxide and hydrogen cyanide) appeared to be moved by powerful gravitational forces.

The team also ran a series of computer models to account for these odd behaviors, which indicated that the most likely cause was a black hole.

Scientists have found the most persuasive evidence yet that support the existence of a mid-sized black hole in the heart of the #Milky Way. The similarities could indicate the existence of a mid-sized black hole, the researchers say. That's a little like a city that's home to only children and the elderly, with no one in between.

A massive Black Hole got discovered near the centre of the galaxy Milky Way. However, the origin of that black hole and the still-larger ultramassive black holes remains a mystery to scientists. Millimetre-wave emission from an intermediate-mass black hole candidate in the Milky Way, Nature Astronomy (2017). Eventually, Oka explained to The Guardian, the object will sink toward Sagittarius A*, closer and closer, until it's swallowed up, increasing the mass of Sagittarius A* as it joins it at the heart of our galaxy.

Supermassive black holes have masses ranging from millions to billions of solar masses.

Researchers say this piece of puzzle could be solved if "black holes of a few hundred thousand solar masses exist as seeds for their more massive counterparts". "Some of them seem very large".

The big black hole has recently been discovered by the astronomers, which is said to be in the center of Milky Way and hidden by the massive molecular gas's cloud. A unusual molecular cloud was detected in the center of the Milky Way. The properties exhibited by the molecular cloud are being associated to gravitational kicks that are caused by invisible compact objects that usually weigh about 105, 000 solar masses. Significant data have also been gathered for #Supermassive Black Holes which hold millions to billions of masses in their galactic cores.

"One possible scenario is IMBHs - which are formed by the runaway coalescence of stars in young compact star clusters - merge at the centre of a galaxy to form a supermassive black hole, " said Prof Oka. Finding out where it originated is much more hard, but the team believes it could have been the core of a dwarf galaxy that the Milky Way swallowed at some point in its history.

"Further detection of such compact high-velocity features in various environments may increase the number of non-luminous black hole candidate and thereby increase targets to search for evidential proof of general relativity", Oka concludes. "This would make a considerable contribution to the progress of modern physics".

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