Behold, Dr. Michio Kaku's most ambitious plan yet — the construction of a new solar system. He meets Paul Butler of the Carnegie Institution who identifies 47 Ursae Majoris as our nearest suitable star. But with no Earth planets in orbit, it sure doesn't feel like our solar system. Gravity could be used to manipulate a moon into an Earth like position. But Kaku's thinking bigger than that. If he's building a whole new solar system for humanity, surely he should be able to harness the power of our new sun! So he comes up with an incredible plan to completely encircle the sun with a giant sphere, which will act as a huge energy collector. What's more, once it starts spinning we'll be able to settle on the inside and become a truly stellar civilization.
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