The Art Bell Archive

March 19, 2001: SETI - Dr. Seth Shostak


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Dr. Seth Shostak from the SETI Institute reports from Arecibo Observatory following three weeks of intensive searching for extraterrestrial signals. The 1000-foot radio telescope's 56 million channel receiver monitors target star systems for narrow-band transmissions indicating artificial origin. Shostak explains how satellites generate false positives requiring careful verification protocols, including cross-checking with Jodrell Bank in England and telescope repositioning tests. No confirmed alien signals emerged this session, but Shostak remains optimistic about the Allen Telescope Array currently under development. Discussion covers optical SETI initiatives searching for laser pulses rather than radio transmissions, expanding search strategies beyond traditional approaches. Shostak predicts success within coming years as technology improves and searches expand. The conversation addresses why radio searches focus on narrow-band signals, how detection protocols distinguish satellites from genuine extraterrestrial beacons, and what discovery would mean for humanity's place in the universe.
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The Art Bell ArchiveBy Arthur William Bell III

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