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eppur_se_muova

(36,259 posts)
4. I wonder how many advanced civilizations were wiped out by that gamma-ray burst.
Sun Nov 15, 2020, 12:54 AM
Nov 2020

If we could detect it from 5.47 billion light years away, it must have toasted a whole galaxy. You know, BILLIONS of planetary systems.

Don't think the Universe is a friendly place. It is largely indifferent to life.

https://en.wikipedia.org/wiki/The_Star_(Clarke_short_story)

Latest Discussions»Culture Forums»Science»In a First, Astronomers W...»Reply #4