> It would take at least 400 dedicated rocket launches a year, for ten years... The project would weigh in at 550,000 tons: at its lightest. That's quite the s

> It would take at least 400 dedicated rocket launches a year, for ten years... The project would weigh in at 550,000 tons: at its lightest. That's quite the scale. > The solar sail model, to its credit, is capable of being dismantled if things go wrong. I'm sensing a potential issue here...