The renowned planetary scientist who chairs the NASA Advisory Council (NAC) says he is happy with two-thirds of the agency’s proposal to capture a small asteroid and nudge it into a high lunar orbit for examination by spacewalking astronauts early in the coming decade. Developing the capability to detect asteroids in the 7-10-meter class, and to rendezvous spacecraft in cislunar space are both worthy goals, given NASA’s current capabilities and projected budgets, says Steve Squyres ...


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