Solar flare: 'Largest ever' blast equal to 80 BILLION megatonnes of TNT lights up the sky

A SOLAR flare larger than anything astronomers have ever witnessed in our solar system has released the energy equivalent of 80 billion megatonnes of TNT, a new study has claimed.

Astronomers have traced the solar flare to a “puny” brown dwarf star some 250,000 light-years away from Earth. The star, known as ULAS J224940.13-011236.9, is comparable in size to the gas giant Jupiter and is only a tenth of the Sun’s radius. But when the flare exploded, astronomers saw the star suddenly flash 10,000 times brighter than normal. The incredible discovery was published on Wednesday, April 17, in the Monthly Notices of the Royal Astronomical Society:...
source: Express

2019-04-18 13:26
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