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NASA aims to pluck boulder from asteroid, bring it to the moon
NASA aims to pluck boulder from asteroid, bring it to the moon

NASA's next marquee mission might be described as the great asteroid boulder pluck. At a news conference Wednesday, agency officials said they had revised their original plan to capture an asteroid and drag it into deep lunar orbit. The new plan calls for a spacecraft with two robotic arms to remove a boulder of up to 12 feet in length from the surface of an asteroid and bring that into orbit around the moon instead.  The agency still plans to send two astronauts to collect a sample of the boulder once it is in a stable orbit around the moon. The new plan may seem less dramatic than the original concept for the Asteroid Redirect Mission (ARM) first announced in...

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