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A comment on UN to appoint Earth contact for aliens . Parent comment

Re:UN to appoint Earth contact for aliens by joeyo on Monday September 27, 2010 @12:35AM (#1730746) 

  > This probably happened only once in history and under
  > very specific conditions, which are very unlikely to be
  > repeated.
Anything not forbidden is compulsory. -- Murray Gell-Mann
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Re:UN to appoint Earth contact for aliens by ajju on Monday September 27, 2010 @12:54AM (#1730783)
"Anything not forbidden is compulsory" only if you assume an infinitely long time horizon

Without having more data points, it is hard to say whether the average life span of a planet in the Universe is long enough for multicellular life to inevitably develop.

So far, all evidence points to no. It is also true, however, that so far we have negligible data.

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