Milky Way’s black hole flickers like a pyrotechnic display
CNNSign up for CNN’s Wonder Theory science newsletter. The Webb observations mark the longest, most detailed look researchers have been able to make around the Milky Way’s central black hole, called Sagittarius A*, building on past evidence of its highly energetic activity. ” The variability of the black hole’s activity is likely due to the random nature of the material flowing into the accretion disk, Yusef-Zadeh said. “This tells you about the nature of flaring activity and the physical characteristics of the radiation mechanism, the magnetic field and the density of flares more directly.” The observations provide a deeper look at how the black hole’s activity varies in brightness over time, said Tuan Do, associate professor in the physics and astronomy department and deputy director of the Galactic Center Group at UCLA. “I think the next big step would be to try to connect these different data sources together to form a fuller picture of the physics of the environment around the supermassive black hole,” Do said.
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