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Karlos wrote:@JaXActually, there is a flipside argument also that leads to the exact opposite conclusion :-DHave a look here for an overview of the "Rare Earth" hypothesis.It takes the same basic pretext as the Drake equation, but adds a lot more parameters. As with any calculation based on factor multiplication, the probability falls off pretty quick.I'm not saying which one I go for; each argument has its merits and weaknesses.
Karlos wrote:@CannonFodderI do believe there are other worlds. I can count at least 7 more and god knows how many minor ones within our Sun's heliopause alone.