Civilizations at the Beginning of Time

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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?

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Credits:
Civilizations at the Beginning of Time.
Science & Futurism with Isaac Arthur.
Episode 272; January 7, 2021
Produced, Written, and Narrated by Isaac Arthur.

Editors:
Jason Burbank.
Jerry Guern https://www.youtube.com/watch?v=mxgArWbEhZg.
Keith Blockus.

Cover Art:
Jakub Grygier https://www.artstation.com/jakub_grygier.