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What kind of cosmic event would transform Earth in a worse place to support life than Mars currently is?
by soneca 3y ago
What kind of cosmic event would transform Earth in a worse place to support life than Mars currently is?
- FranOntanaya 3y agoIn the long run an overheated planet Venus style is much harder to deal with than a cold, nearly airless one. Anything that triggered mass plant death and decomposition could do.
- blue1 3y agoImpact with a rogue planet? Grey goo?
- downvotetruth 3y agoA directed gamma ray burst could affect the solar system: https://www.youtube.com/watch?v=RLykC1VN7NY https://www.youtube.com/watch?v=RLykC1VN7NY A nuclear powered bunker seems much more pragmatic than generation ship(s) to another star system to survive one.
- usrbinbash 3y agoI would argue that a civilization that is actually capable of building a generation spaceship, should be capable of defending their planet from GRBs. How? I have no idea. Then again, we also have no idea how to build an actually working generation ship :D