The good news is that the rate of GRBs (and supernovas) is declining exponentially with time due to a reduction in star formation rate (their progenitors tend to be heavy stars). As an existential risk they are pretty marginal already compared to even asteroid or comet impacts.
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Excellent work. Can we get some numbers though?
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Merry Christmas!
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The lesson here is to live every day as if it’s your last: hiding under a table and weeping.
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Finally some good news during the holiday season
End of conversation
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Almost as bad as Brexit!
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Thanks for mixing politics into every subject imaginable, you truly are the life of every party and joy to every conversation. Soldier on





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As it lasts only a few seconds you would imagine that on the first order, "only" half of the Earth's surface would be hit, would it not?
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You’ll still be in trouble if a truck only hits the side of your car
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