For the first time, astronomers have imaged a supermassive black hole expelling an enormous jet of matter at tremendous speed.
As well as pulling in anything which comes to close to them, black holes can occasionally expel matter at very high speeds. When clouds of dust and gas approach the event horizon of a black hole, some of it will fall inward, but some can be redirected outward in highly energetic bursts, resulting in dramatic jets of matter that shoot out at speeds approaching the speed of light.
The observations have given a new view of the black hole itself too. “The original EHT imaging revealed only a portion of the accretion disk surrounding the center of the black hole. By changing the observing wavelengths from 1.3 millimeters to 3.5 millimeters, we can see more of the accretion disk, and now the jet, at the same time,” said one of the researchers, Toney Minter, in a statement. “This revealed that the ring around the black hole is 50% larger than we previously believed.
“These results showed — for the first time — where the jet is being formed. Prior to this, there were two theories about where they might come from,” said Minter. “But this observation actually showed that the energy from the magnetic fields and the winds are working together.”
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