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In 2022 NASA’s DART spacecraft made history, and changed the Solar System forever, by impacting the Dimorphos asteroid and measurably shifting its orbit around the larger Didymos asteroid. In the process a plume of debris was thrown out into space.

The latest modelling, available on the preprint server arXiv and accepted for publication in the September volume of The Planetary Science Journal, shows how small meteoroids from that debris could eventually reach both Mars and Earth – potentially in an observable (although quite safe) manner.

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      Media Contact
      Karen Fox / Molly Wasser
      Headquarters, Washington
      202-358-1600
      karen.c.fox@nasa.gov / molly.l.wasser@nasa.gov

      Lonnie Shekhtman
      NASA’s Goddard Space Flight Center, Greenbelt, Md.
      lonnie.shekhtman@nasa.gov
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      Last Updated Jun 20, 2025 EditorMadison OlsonContactMolly Wassermolly.l.wasser@nasa.govLocationGoddard Space Flight Center Related Terms
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