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41:04
YouTube
Isaac Arthur
Cosmic Megafauna - Could Giant Alien Life Forms Exist?
Space is big—but could life out there be even bigger? Join us as we ask just how enormous alien life can get—and what it might look like. Watch my exclusive video Fishbowl Starships - Water As Shielding - https://nebula.tv/videos/isaacarthur-fishbowl-starships-water-as-shielding Get Nebula using my link for 40% off an annual subscription ...
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