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Table manners
The supermassive black hole in the center of the galaxy may be a little nauseous – scientists say it "blew up" two gigantic radioactive gas bubbles.
Scientists for the first time saw bubbles – dozens of years of light – in the 1980s, according to Internal business. But thanks to the recently constructed MeerKAT telescope in South Africa, astronomers have finally been able to better observe the mysterious bubbles and learn more about what caused them.
Big boom
Bubbles are an unusual explosion for the black hole of our galaxy – compared to the central black holes of other galaxies, ours is comparatively inactive, according to a study published Wednesday in the newspaper Nature.
As such, astronomers from Oxford University and Rhodes University at the origin of the new study suspect the bubbles of appearing to be a cosmic indigestion – the black hole was probably binge eating when clumps of cosmic dust passed nearby, millions of years ago, just to put it mildly. in the form of giant bubbles.
filtering
Millions of years later, the radio signals of the cosmic rots reached the Earth. That's why scientists can detect them with the MeerKAT telescope.
"These huge bubbles were hitherto hidden under the explosion of an extremely bright radio [center] Fernando Camilo of the South African Radio Astronomy Observatory said in a press release.
"Destroying bubbles from background noise is a technical feat," he added.
READ MORE: The black hole in the center of our galaxy just crushes two huge bubbles of radiation[[[[Internal business]
More about space bubbles: Scientists disconcerted by giant bubbles that cover our galaxy
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