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Should we respond to an interstellar RSVP?
Imagine surfing to your favorite science news website tomorrow to see headlines announcing the detection of a radio signal coming at us from an extraterrestrial civilization. Impossible? Not really.
Assuming there are other technological civilizations in our galaxy, and that some subset of them attempt interstellar communication via radio beacons, then detecting a signal is only a matter of when, not if.
Full story at Discovery News.
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