Page 10 - Unlikely Stories 3
P. 10

Recall Mission

          “This is the situation, professor. Twenty-three years ago our radio
        telescopes detected activity originating in the solar system of Proxima
        Centauri. At that time the existence of Proxima b was not known, but
        we inferred that such a planet had to exist. The signal’s discovery was
        not made public, to avoid panic. It was immediately understood that
        our  own  electromagnetic  emissions  were  conversely  perceptible  on
        Proxima  b.  The  distance  from  Earth,  as  you  are  aware,  is  4.25
        lightyears. That delay would be the same for us and the alien world.
        The  question  immediately  was  this:  had  they  received  our  signals
        before  we  received  theirs?  And  what  should  be  our  response,  in
        either event?”
          The  professor’s  jaw  dropped.  He  regretted  giving  up  smoking.
        “Couldn’t their transmissions be decoded? That would make all the
        difference.”
          “Precisely.  We  set  our  best  cryptanalysts  and  linguists  on  it
        immediately.  The  data  was  spotty  and  beset  with  the  same  sort  of
        noise  and  crosstalk  our  myriad  broadcasts  produce.  It  would  take
        years  to  understand  it.  Our  reaction,  if  we  were  not  to  wait  for
        definitive  translation,  would  have  to  be  based  on  other
        considerations.”
          Corncracker paused to gauge the effect of his words on Dreyfuss.
          “That  meant  turning  the  problem  over  to  researchers  in  game
        theory  and  creating  a  calculus  of  decisions,  all  of  them  subject  to
        assumptions about civilization on Proxima b. What were the odds of
        their being more advanced? If so, had they been able to listen in as
        we began use of radio waves a century ago? What would they think
        of us? Our history, both of peace and war during those years, might
        be interpreted variously by intelligent beings with their own cultural
        biases and historical experience.”
          “I take it,” said Dreyfuss dryly, “that inaction was not an option.”
          General Hawke interrupted.
          “Professor,  policy  is  made  based  on  the  information  available
        within  the  window  of  opportunity.  Granted  that  the  size  of  that
        window, if unprecedented, is itself a function of that same data, we
        really had no choice but to act quickly.”
          “And we are not here to second-guess a decision made a quarter of
        a century ago,” said Barkenbeit, “but to implement a new one. But let
        the administrator bring you up to speed.”
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