"This only happens once every 10,000 years”: exploding star struck Earth with ‘gamma flash’, disrupting ionosphere

A huge gamma-ray burst, detected by ESA’s Integral Space Telescope, will hit our Earth in 2022. Scientists announce this in a new publication. The gamma rays even caused significant disruption in our planet’s ionosphere. Usually such disruptions are linked to our Sun, but this one was the result of an exploding star almost two billion light-years away. Analyzing the effects of the explosion could teach us more about the mass extinctions that have occurred in Earth’s history.

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