Oceanic Aliens

Science & Futurism with Isaac Arthur

Isaac Arthur

Science, Futurism, Sci Fi, Future, Scifi, Technology, Space, Engineering

4.8 • 739 Ratings

🗓️ 21 January 2021

⏱️ 27 minutes

🔗️ Recording | iTunes | RSS

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Summary

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. Go to https://buyraycon.com/isaacarthur for 15% off your order! Brought to you by Raycon. Watch the Video Version: https://youtu.be/nvYCUSvW7LA 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/Isaac_A_Arthur on Twitter and RT our future content. SFIA Discord Server: https://discord.gg/53GAShE Listen or Download the audio of this episode from Soundcloud: Episode's Audio-only version: https://soundcloud.com/isaac-arthur-148927746/oceanic-aliens Episode's Narration-only version: https://soundcloud.com/isaac-arthur-148927746/oceanic-aliens-narration-only 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 https://www.youtube.com/watch?v=mxgArWbEhZg Keith Blockus Cover Art: Jakub Grygier https://www.artstation.com/jakub_grygier Graphics: Fishy Tree https://www.deviantart.com/fishytree/ Katie Byrne Jeremy Jozwik https://www.artstation.com/zeuxis_of_losdiajana Sergio Botero https://www.artstation.com/sboterod?fref=gc Udo Schroeter Music by: Martin Rezny: https://soundcloud.com/martin-re-n-1 Miguel Johnson: https://migueljohnson.bandcamp.com Stellardrone: https://stellardrone.bandcamp.com/ See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcript

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0:00.0	Hello, SFIA audio listeners. In this month's Nebula exclusive, big alien theory,
0:05.2	we're asking the reason alien civilizations might be rare is because most aliens are huge.
0:10.5	To hear it and every episode early and add free, plus hours of bonus content,
0:15.1	check out go.nebola.tv slash Isaac Arthur and use my code, Isaac Arthur.
0:20.0	This episode is sponsored by Raycon.
0:23.7	Our oceans are a mysterious place, full of strange life bordering on the alien,
0:29.1	but would alien life be like that evolved on an oceanic planet?
0:32.4	Music In some ways our oceans, especially their depths, are almost an alien world, which is ironic
0:50.3	since most of Earth's surface is oceans, and life on land is the relative newcomer.
0:55.8	There are also some truly strange critters in the deep sea, and some so strange it's
1:00.3	been speculated they were alien, and not always as a joke or by a crackpot.
1:05.3	Last year we did an episode about life on low gravity worlds, and folks often ask for a follow-up, life on high gravity
1:12.2	worlds, and we will do that episode, but something I often point out is that there is
1:16.4	a very good chance most Earth-like worlds with significantly higher gravity might be entirely
1:21.6	covered in oceans, and this may be the majority of naturally habitable worlds in the universe
1:26.4	for reasons I'll get into it a bit.
1:28.9	It's also a recurring theme in our discussion of aliens, that we might find countless
1:32.8	worlds with highly intelligent life but locked beneath oceans, unable to invent technology where
1:38.1	fire doesn't exist, therefore evolving no more intelligence than an earth dolphin or octopus,
1:43.7	and who might be stuck on those
1:44.8	worlds unless uplifted by some other civilization who is impressed by their brains and so brings
1:50.2	them technology or introduces physiological changes to help them with inventing technology.
	...

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