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Planetary Scientists Casting Doubt on Feasibility of Plan to Corral Asteroid

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Science  10 May 2013:
Vol. 340, Issue 6133, pp. 668-669
DOI: 10.1126/science.340.6133.668

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NASA's new plan to capture a tiny asteroid in deep space and lodge it in the Earth-moon system so that astronauts can get their hands on it is certainly audacious. But instead of cheering, a lot of planetary scientists are dubious about the mission's chances of success. They also say that the claimed side benefits, should the mission somehow succeed, are largely imaginary.