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An artist’s illustration of a black hole consuming a star. Photo: Wikimedia Commons/NASA/JPL-Caltech. JNS.org – Israeli scientists said in research published on Monday that they intercepted radio emissions that may challenge the assumptions of how black holes behave. As part of the research, which was published by the peer-reviewed journal  Nature Astronomy, physicist Assaf Horesh of the Hebrew University of Jerusalem, senior lecturer in astrophysics Iair Arcavi of Tel Aviv University and NASA Swift space telescope director Brad Cenko said that they observed optical radiation from the ...

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Binary Black Hole (Illustration) A team of researchers from the Hebrew University of Jerusalem led by Dr. Assaf Horesh has discovered the first evidence of radio flares emitted only long after a star is destroyed by a black hole. Published in the periodical Nature Astronomy ( Delayed radio flares from a tidal disruption event), the discovery relied upon ultra-powerful radio telescopes to study these catastrophic cosmic events in distant galaxies called Tidal Disruption Events (TDE). While researchers had known that these events cause the release of radio flares, this latest discovery saw thos...

Credit: Hebrew University A team of researchers from the Hebrew University of Jerusalem (HUJI) led by Dr. Assaf Horesh have discovered the first evidence of radio flares emitted only long after a star is destroyed by a black hole. Published in the periodical Nature Astronomy, the discovery relied upon ultra-powerful radio telescopes to study these catastrophic cosmic events in distant galaxies called Tidal Disruption Events (TDE). While researchers had known that these events cause the release of radio flares, this latest discovery saw those flares being emitted months or even years after ...

Black holes can go months or years before gobbling up last of dead star’s remains, physicists say, after detecting pattern of radio emissions from aftermath of star’s destruction