0:00
43:45
We've wanted to contact extraterrestrials for as long as we've suspected they're out there. But as we get better and locating potentially inhabited planets, beaming messages their way is suddenly posing a threat.
See omnystudio.com/listener for privacy information.
Flere episoder fra "Stuff You Should Know"
Gå ikke glip af nogen episoder af “Stuff You Should Know” - abonnér på podcasten med gratisapp GetPodcast.