Providing the universe is anywhere near infinite - it's either just us, or a WHOLE LOT of other life out there. The odds in numbers are definately for it, but ofcourse the conditions of the Earth are somewhat .. special. The way our planet was formed, it's steady temperature and the way the atmosphere, sun & moon keeps us alive 'n all.. we are somewhat an exception to the rule, as far as we can tell. And we're really really young on a cosmic scale too. But hey, I'm keeping my fingers crossed ;]
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