Universe Today Podcast

Episode 788: Q&A 172: Why Do We Assume Extraterrestrials Will Be Hostile? And More...

February 14th, 2022  •  39 mins 27 secs  •  Download (36.1 MB)  •  Link with Timestamp

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In this week's questions and answers show, I explain why people might see extraterrestrials as a threat. What could we learn about astronomy if we lived at the center of a supervoid, and how far away are we from the Big Bang?