Those are, perhaps, topics for future posts.
The company’s tech comes from an unusual source: a $100-million-endowed program at Caltech to develop orbital solar plants that would beam electricity to Earth below. The researchers ultimately settled on a sail-like structure that is thin and flexible compared to boxy, traditional satellites.
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It was not supposed to be used until they got to the Moon. It had no heat shield, so could not be used to re-enter the Earth's atmosphere. But it could keep them alive until they got there.
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