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Q & A: Do aliens really exist?

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Most recent answer: 11/01/2009
do aliens really exist?
- addy
Could be, but we don't know.  If there were, and if they were technically advanced, then they might send out electromagnetic signals which we could observe.  There is a huge effort called SETI that attempts to detect such radiation but up till now, no success.
See:    for information.


(published on 11/01/2009)

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