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NASA's plan to capture an asteroid? Bad idea, scientist says
NASA's plan to capture an asteroid? Bad idea, scientist says

NASA goal to snag an asteroid and bring a space rock close to Earth is a distraction from the effort to send humans to Mars, a top asteroid expert says. In a commentary in the journal Nature, planetary scientist Richard Binzel of the Massachusetts Institute of Technology calls NASA’s Asteroid Redirect Mission (a.k.a. ARM) “a multibillion-dollar stunt.” The strongly worded text comes after a National Research Council report in June offered multiple routes to get to Mars -- including the asteroid-snagging plan -- but didn’t recommend one over any other. Binzel, whose work has helped to evaluate the hazard from various near-Earth asteroids, said it’s time to...

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