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DESY, Science Communication Lab In a distant galaxy, a supermassive black hole ripped a star to bits, sending out an enormous blast of energy. For the first time, researchers have observed a neutrino that probably came from this type of cataclysm, which is called a tidal disruption event or TDE. Neutrinos are tiny particles that rarely interact with other matter, making them extremely difficult to detect. On 1 October 2019, the IceCube Neutrino Observatory in Antarctica spotted a neutrino with relatively high energy that appeared to come from beyond our galaxy. Advertisement Meanwhile, Robert Stein at the German Electron Synchrotron (DESY) and his colleagues were using the Zwicky Transient Facility in California to watch a star that had got too close to a supermassive black hole. The extreme gravity of the black hole shredded the star, creating a TDE that lasted for months. The TDE and the IceCube neutrino came from the same location in the sky, indicating that the ripped-up sta

United statesRobert steinScience communication labCecilia lunardini at arizona state universityScientist default imageScience communicationIcecube neutrino observatoryGerman electron synchrotronZwicky transient facilityWalter winterCecilia lunardiniArizona state universityNature astronomyIce cubeBlack holesTidal disruption event