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I can't speak on something I know little of, but it seems presumptuous to assume Earth is the only planet with living organisms.
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There is possiblity of there existence. There could a planet with same condition that of earth so life on that may exist
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yeah i'v seen 1
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UFO's ? But with a universe as large as it is no doubt they do.
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I will give you the same answer as every other scientist........I do not know. The only thing we have to guide us is statistics. They tell us that in a Universe as vast as ours, the probabilities are that there is indeed life out there somewhere. However, that is all they are, probabilities. Crop circles I do know something about. When I was a physics student years ago, I was an exchange student and spent a couple of semesters at university in the UK. One night, a bunch of us went out into the surrounding fields with some students from the maths department who did the drawings and with nothing more than pieces of string and wooden boards, created all sorts of shapes. No one minded very much, the place was overrun for days with press and enthusiasts and the local economy boomed. The funniest was watching TV after wards and having earnest UFO self-styled experts saying they must have been caused by vortexes from alien spacecraft! There is absolutely no evidence that aliens have ever visited the Earth, and who said the Government stole anyone's tapes? You have evidence for this? I mean REAL evidence, not some lunatic on Youtube! Do you not think that in these days of High Definition still and video cameras, the place would be awash with high quality images of alien craft if they are as common as their supporters claim? No real scientist I know believes the Government is hiding anything from us, at least as far as this subject is concerned, and if past misdemeanors are anything to go by, they couldn't hide a duck in a bucket!