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StarTalk All-Stars

Technosignatures: Detecting Alien Civilizations, with David Grinspoon

50:32 | Oct 23rd, 2018

Hunt for technosignatures, alien civilizations, and other signs of intelligent life as astrobiologist David Grinspoon, co-host Chuck Nice, and astronomer Sofia Sheikh answer fan-submitted Cosmic Queries on the search for extraterrestrial intelligence...Show More