Technosignatures: Detecting Alien Civilizations, with David Grinspoon

StarTalk All-Stars by StarTalk All-Stars

Oct 23, 201800:49:20Religion & Spirituality

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...

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