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by saiya-jin
2099 days ago
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The issue with your argument is that earth is not a special place - there are tons of positive factors that helped life to develop and sustain. Position nearby stable sun, magnetosphere and just enough volcanic activity, our moon, big planets trapping most comets/debris that would make huge meteorite impacts much more common, oceans, tectonics. At the end, we don't know and everybody's opinion is just a gut feeling. https://en.wikipedia.org/wiki/Rare_Earth_hypothesis |
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This is not my argument at all, it's actuall quite the opposite.
The argument is that, if everything about us is average (including our host planet), and given the tremendous amount of planets everywhere, we should see life basically everywhere. But we don't! So there indeed maybe something special about us, maybe our planet, maybe some extremely rare step in our evolution.