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☆ Astronomers are baffled after spotting strange cosmic flares that have 10 billion times more power than the sun
  + stars: | 2023-11-16 | by ( Marianne Guenot | ) www.businessinsider.com   time to read: +4 min
The event, nicknamed Tasmanian devil, is puzzling scientists who don't know what is causing it. Ho and colleagues' observations suggest the Tasmanian devil released at least 14 irregular and highly energetic bursts, each lasting only a few minutes. This leaves a neutron star or a black hole surrounded by the remnants of a partial star. To produce such brilliant flares, a black hole or neutron star would need a lot of fuel. AdvertisementAnother possibility is that the Tasmanian devil was caused by a star merging with a black hole or a neutron star, said Ho.
Persons: —, Anna Ho, LFBOTs, Ashley Chrimes, Chrimes, Ho, We'd, haven't Organizations: Service, NASA, Cornell University, Nature News, European Space Agency
☆ NASA's Hubble spots a mysterious flash in the middle of nowhere that defies science
  + stars: | 2023-10-10 | by ( Marianne Guenot | ) www.businessinsider.com   time to read: +4 min
Scientists had previously thought Luminous Fast Blue Optical Transients were caused by dying stars. AdvertisementAdvertisementA bright flash of blue light appearing in the middle of seemingly empty space has scientists confused. Scientists previously thought they knew what could cause such a bright burst of energy. That's much too far for a core-collapse supernova to travel. There are a few more hypotheses for what could cause the bright blue flashes.
Persons: —, Ashley Chrimes, Finch, hasn't, James Webb Organizations: Service, NASA, Space Agency Research, Space Flight, Royal Astronomical Society
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