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The stars are on the edge of a gamma-ray explosion – and are alarmingly close to the Earth



And this is where the proximity of Apep is a bit worrisome for us. While 8,000 lights per year sound like a decent old trip, this is a slip on the cosmic scale, and imminent gamma radiation can have great impacts on Earth. These extremely close decay in the distant past is accused of mass extinction events as they remove ozone from the Earth's atmosphere and give life to UV radiation from the Sun.


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