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Post by Karl Aksel on Mar 1, 2017 9:04:24 GMT
We are here, and that sets a precedent. We know life can exist. If it can exist here, it can exist elsewhere under similar conditions. Earlier this year I discovered an ant in the house, very unusual for January. And it worried me a bit because even though one ant doesn't mean there are more, they are usually found in numbers following the same trail, so if there is one ant in the house, there may absolutely be more. It is not an unreasonable assumption. And I've responded to that before. That life here would suggest there is the possibility elsewhere but that does not mean there certainly is. That there certainly is? As in 100% certain? Of course not. But our presence does constitute evidence, and the odds are not far shy of 100%. There are over 200 billion stars in our galaxy alone, and there are perhaps 100-200 billion galaxies. The odds of life not existing elsewhere are extremely low, even when you factor in all the conditions which must be met.
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