spoiler
The idea revolves heavily around the creation and deployment of several thin film-like silicon bubbles. The “space bubbles” as they refer to them, would be joined together like a raft. Once expanded in space it would be around the same size as Brazil. The bubbles would then provide an extra buffer against the harmful solar radiation that comes from the Sun.
:wut:
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incredibly... yes.
The robots just have the cost of shipping and production, and are only being moved on earth. It's vastly less energy than making a giant tarp and flying it into space. Think about hie much fuel like 3 humans take to get to space, and we're neither that big nor that heavy.