In science fiction we often see immense starships attacking planets, crushing or besieging them, but in our own future we may deploy powerful orbital fortresses to defend our world. Watch my exclusive video The Fermi Paradox Hermit Shoplifter Hypothesis: Get Nebula using my link for 40% off an annual subscription: Get a Lifetime Membership to Nebula for only $300: Visit our Website: Join Nebula: Support us on Patreon: Support us on Subscribestar: Facebook Group: Reddit: Twitter: on Twitter and RT our future content. SFIA Discord Server: Credits: Orbital Defense Platforms Episode 423b; December 3, 2023 Produced, Written & Narrated by: Isaac Arthur Graphics: Fishy Tree Jarred Eagley Jeremy Jozwik Ken York/YD Visual Legiontech Studios Rapid Thrash Sergio Botero SpaceResourcesCGI Udo Schroeter Music Courtesy of: Epidemic Sound Stellardrone, “Red Giant“, “Ultra Deep Field“ Sergey Cheremisinov, “Labyrinth“, “Forgotten Stars“ Taras Harkavyi, “Alpha and ...“ Miguel Johnson, “So Many Stars“
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