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As the others have said, without anti-gravity it won't work, with anti-gravity you can pretty much do whatever you want. Just a few things to think about With a diameter of 1 light year ($5.879 ...
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As the others have said, without anti-gravity it won't work, with anti-gravity you can pretty much do whatever you want. Just a few things to think about With a diameter of 1 light year ($5.879 ...