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They’re a little cagey about exactly where the crossover point lies relative to the likelihood of devastating effects on the planet.
Alt text:
They’re a little cagey about exactly where the crossover point lies relative to the likelihood of devastating effects on the planet.
There’s something to be said for very early supernovae. I’m sure they’d all be giddy for something beyond 13 billion light-years (or whatever that works out to in red shift).