Bennu is Constantly Getting Sandblasted by Tiny Meteoroids

Bennu is Constantly Getting Sandblasted by Tiny Meteoroids
By Nancy Atkinson

As soon as OSIRIS-REx spacecraft arrived at asteroid Bennu in December 2018, there was a big surprise. Scientists expected Bennu’s surface would consist of fine-grained material like a sandy beach. But take a look at that surface: Bennu is a jumbled mess. Here’s a closer view: And amazingly, amid that mess, pieces of Bennu’s surface …

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September 10, 2020 at 10:06PM
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