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Soft! What NASA found Out About Asteroid’s Surface Is Shocking

At a glance

  • NASA’s OSIRIS-REx spacecraft collected a sample from Bennu in October 2020
  • The particles making up the asteroid’s exterior are loosely packed and lightly bound to each other
  • “If Bennu was completely packed, that would imply nearly solid rock, but we found a lot of void space in the surface,” said scientist Kevin Walsh

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