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Why Are Particles Getting Ejected Off of Asteroid Bennu?

Discussion in 'Astronomy and Space News' started by Universe Today, Dec 9, 2019.

Why Are Particles Getting Ejected Off of Asteroid Bennu?

Started by Universe Today on Dec 9, 2019 at 2:34 PM

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  1. Universe Today

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    Universe Today, Dec 9, 2019
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    Why Are Particles Getting Ejected Off of Asteroid Bennu?
    by Evan Gough

    NASA’s OSIRIS-REx spacecraft arrived at asteroid Bennu in December 2018, and just one week later, it discovered something unusual about Bennu: the asteroid was ejecting particles into space. The spacecraft’s navigation camera first spotted the particles, but scientists initially thought they were just stars in the background. After closer scrutiny, the OSIRIS-REx team realized they …

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