Civilizations At The Beginning Of Time (Narration Only)

Our Universe is billions of years older than our planet, and we often contemplate alien civilizations that might have arisen early than us in our galaxy, but just how early could life have arisen? Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500. Watch the video version: https://youtu.be/OytOJdGsrA0 Visit our Website: http://www.isaacarthur.net Support us on Patreon: https://www.patreon.com/IsaacArthur Facebook Group: https://www.facebook.com/groups/1583992725237264/ Reddit: https://www.reddit.com/r/IsaacArthur/ Twitter: https://twitter.com...