explosion

Accidental discovery reveals ‘millinovas’ a new class of cosmic explosion 100 times brighter than the sun

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Superman isn’t the only one with X-ray vision. Plenty of exploding stars are also adept at blasting outbursts of this high-energy light. Now, thanks to a chance discovery, scientists are aware of an entirely new explosive stellar source of X-ray radiation. These outbursts’ light output didn’t resemble any previous cosmic explosion. Meet the “millinovas,” a … Read more

1st monster black hole ever pictured erupts with surprise gamma-ray explosion

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In 2018, it was revealed that a pioneering telescope the size of Earth had taken, for the first time, an image of a black hole. That same instrument, the Event Horizon Telescope (EHT), has now witnessed the same black hole erupt with a powerful and unexpected explosion. Scientists hope that by studying this emission, they … Read more