In Praise of NASA’s Ambitious Asteroid Grab

If you pay attention to stories about space exploration, you may have seen some skeptical stories about NASA’s proposed Asteroid Redirect Mission. (And even if you don’t follow such things, you might well have been dismayed by headlines announcing a “less ambitious asteroid mission” that is “unlikely to get funded.”) This is not another one of them.

I think the asteroid mission is a cool idea, and an important one. I think it will advance the cause of space exploration in several meaningf

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