Constructing a massive ring complete with its own gravity encircling the Sun that could house trillions of people is not only a cool space-age idea, we’d get to go shopping in the Kuiper Belt for building materials. Or, we might be able to piece together a living, breathing planet with billions of asteroids courtesy of the Oort Cloud. This star-gazing storyboard will open your horizons to futuristic engineering triumphs where you have to go not just big, but mega for things to work out.
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