What would happen if we made contact with extra-terrestrial intelligence?

Star Diary - A podcast by BBC Sky at Night Magazine - Sundays

What would happen if we made contact with an extra-terrestrial civilisation? Do organisations like NASA and the United Nations have protocol in place? What would it mean, and are we prepared? Hosted on Acast. See acast.com/privacy for more information. Learn more about your ad choices. Visit podcastchoices.com/adchoices