Using Asteroids As Spaceships (Narration Only)
Science & Futurism with Isaac Arthur
00:00
Asteroid Ships - Scale Matters
1036 Ganymede would be billions of times heavier than any spaceship we've ever made before. A 1000 by 1000 kilometer orbital array sending its power to that rock 24-7 could get the job done in a few years. Interstellar space colonization is likely to occur at a time when all of humanity is still numbered in the billions or maybe low trillions but has easy access to space and a sun that puts out 400 billion times the power this beam needs.
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