Water is one of the most common substances in the Universe, and Earth has far more seas than land and life arose in the ocean first. Planets covered entirely in water may be common and abundant with life, including intelligence extraterrestrial life.
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Credits:
Alien Civilization: Oceanic Aliens
Science & Futurism with Isaac Arthur
Episode 274; January 21, 2021
Produced, Written, and Narrated by Isaac Arthur
Editors:
Jason Burbank
Jerry Guern
Keith Blockus
Cover Art:
Jakub Grygier
Graphics:
Fishy Tree
Katie Byrne
Jeremy Jozwik
Sergio Botero
Udo Schroeter
Music by:
Martin Rezny:
Miguel Johnson:
Stellardrone: