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NASA finally closes in on touchdown spot on messy, rocky asteroid Bennu


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This illustration shows Osiris-Rex touching asteroid Bennu during a sample collection operation.

We know it can be done. Japan's Hayabusa-2 spacecraft triumphantly scooped up a bit of asteroid Ryugu before heading home. NASA hopes it will soon have similar success with the Osiris-Rex mission currently in residence at asteroid Bennu. It's going to be challenging.

NASA is days away from choosing a sample site for its intrepid spacecraft's sample collection operation, the agency  announced on Wednesday. It hasn't been an easy process. In July, NASA narrowed the options down to four sites with bird-themed ...


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