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Black holes are definitely messy eaters, though. space galaxy moon night sky starry sky sky nature star universe abstract night sunset vintage water black and white clouds. "We don’t fully understand if the material observed in radio waves is coming from the accretion disk or if it is being stored somewhere closer to the black hole. Black holes are definitely messy eatersĬendes and the team don't know what's causing black holes to "switch on" after many years, but whatever it is definitely does not come from inside the black holes.īlack holes are marked by an event horizon, the point at which gravity is so strong that not even light can escape."Black holes are very extreme gravitational environments even before you pass that event horizon, and that's what’s really driving this," Cendes said.
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25 to the preprint database arXiv, which has not yet been peer-reviewed. Download and use 70,000+ Galaxy Wallpaper stock photos for free. The observations are described in a study uploaded Aug. The re-emission of this material for 10 of the 24 black holes happened between two and six years after the star-destroying events.
"I call it a 'burp' because we’re having some sort of delay where this material is not coming out of the accretion disk until much later than people were anticipating." "If you look years later, a very, very large fraction of these black holes that don’t have radio emission at these early times will actually suddenly 'turn on' in radio waves," study lead author Yvette Cendes, a research associate at the Havard and Smithsonian Center for Astrophysics told Live Science. In the new research, however, astronomers watched black holes involved in TDEs for hundreds of days, finding that in up to 50% of the cases, the black holes "burped back" stellar matter years after the TDE. Download and use 20,000+ Stars 4k stock photos for free.
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