Amid the swirling vastness of galaxies, each a cosmic city of stars and planets, the silence raises a compelling question: could the very nature of galaxies themselves hold the key to why intelligent life remains unseen?

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Credits:

The Fermi Paradox: Galactic Great Filters

Episode 484; January 30, 2025

Written, Produced & Narrated by: Isaac Arthur

Select imagery/video supplied by Getty Images

Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Phase Shift, "Forest Night"

Chris Zabriskie, "Unfoldment, Revealment"

Stellardrone, "Billions and Billions"

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Amid the swirling vastness of galaxies, each a cosmic city of stars and planets, the silence raises a compelling question: could the very nature of galaxies themselves hold the key to why intelligent life remains unseen?

Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur-the-fermi-paradox-air

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30.

Visit our Website: http://www.isaacarthur.net

Join Nebula: https://go.nebula.tv/isaacarthur

Support us on Patreon: https://www.patreon.com/IsaacArthur

Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur

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Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.

SFIA Discord Server: https://discord.gg/53GAShE

Credits:

The Fermi Paradox: Galactic Great Filters

Episode 484; January 30, 2025

Written, Produced & Narrated by: Isaac Arthur

Select imagery/video supplied by Getty Images

Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Phase Shift, "Forest Night"

Chris Zabriskie, "Unfoldment, Revealment"

Stellardrone, "Billions and Billions"

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Sci-fi thrills us with enormous space monsters and Kaiju, but could the galaxy already be home to such leviathans?

Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur-the-fermi-paradox-air

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30.

Visit our Website: http://www.isaacarthur.net

Join Nebula: https://go.nebula.tv/isaacarthur

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Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.

SFIA Discord Server: https://discord.gg/53GAShE

Credits:

Giant Space Monsters

Episode 427b; January 1, 2024

Produced, Written & Narrated by: Isaac Arthur

Graphics: Jeremy Jozwik, Ken York

Music Courtesy of:

Epidemic Sound http://epidemicsound.com/creator

Select imagery/video supplied by Getty Images

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.