Gregory Benford, University of California - Irvine (IMAGE)

University of California - Irvine

Gregory Benford, University of California - Irvine

Caption

Astrophysicist Gregory Benford -- standing before the UCI Observatory -- believes an alien civilization would transmit "cost-optimized" signals rather than the kind sought for decades by the SETI Institute.

Credit

Steve Zylius / UC Irvine

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