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Scientists Detect Rare Supermassive Black Hole For The First Time

By 09/06/2020 2:00 PMNo CommentsBy YidInfo Staff

New astronomical research has pointed out the detection of what may supposedly be the most powerful, most massive, most distant merger of two black holes in the history of the universe, releasing the energy of eight suns. 

Astronomers have detected a super-rare kind of “intermediate-mass” black hole that has allegedly taken shape as a result of a rare collision. With a mass between 100 and 1,000 times that of the sun, the first of its kind to have ever been found, scientists said.

An unusual “medium” sized black hole was detected by an international team of scientists on May 21, 2019, using the National Science Foundation’s Laser Interferometer Gravitational-wave Observatory (LIGO) interferometers in the U.S. and the Virgo detector in Italy. They published their findings in two papers earlier this week in the Physical Review Letters and The Astrophysical Letters Journal. 

  Some black holes, referred to as “stellar” are relatively small, up to 10 times the mass of the sun, forming when a star explodes and dies. Other black holes, called “supermassive,” are unfathomably large, amounting to billions of times the mass of the sun, such as Sagittarius A*, at the center of the Milky Way. Scientists believe two black holes, with masses about 85 and 66 times the mass of the sun, collided to produce a signal, in the most massive merger ever detected. The signal, called GW190521, appears to represent the exact moment the two black holes crashed into each other. 

Source: World Today News

Researchers say the event created an even more massive black hole, about 142 times the mass of the sun. It also released a huge “bang” of leftover energy, equivalent to about eight solar masses, in the form of gravitational waves able to be detected on Earth.

“This doesn’t look much like a chirp, which is what we typically detect,” Virgo researcher Nelson Christensen, from the French National Centre for Scientific Research (CNRS), said in a press release. “This is more like something that goes ‘bang,’ and it’s the most massive signal LIGO and Virgo have seen.”

The published papers mention, “GW190521 is an extremely quick signal, lasting less than one-tenth of a second. It appears to be generated by a source dating back to when the universe was about half its age — some 7 billion years ago — making it one of the most distant gravitational wave sources ever detected.”


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