8 years ago
Black hole emitted red flashes with the power of 1,000 suns, study reveals
British astronomers have observed violent red flashes, lasting just fractions of a second, during one of the brightest black hole outbursts in recent years.In June 2015, a black hole called V404 Cygni underwent dramatic brightening for about two weeks, as it devoured material that it had stripped off an orbiting companion star. V404 Cygni, which is about 7,800 light years from Earth, was the first definitive black hole to be identified in our galaxy and can appear extremely bright...
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