Thread: V
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Old July 16 2009, 06:21 PM   #16
Christopher
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Re: V

^Right. Far less energy-intensive just to go to their own asteroid belt and use solar sails or ion thrusters to redirect the courses of a few dozen large ice-bearing asteroids or protocomets to fall inward, then park them in orbit around their home planet. It'd take a few years, but it'd be comparatively easy for any spacefaring power to achieve.
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