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Developing space weathering on the asteroid 25143 Itokawa

Author

Listed:
  • Takahiro Hiroi

    (Brown University)

  • Masanao Abe

    (Japan Aerospace Exploration Agency)

  • Kohei Kitazato

    (Japan Aerospace Exploration Agency
    University of Tokyo)

  • Shinsuke Abe

    (Graduate School of Science and Technology, Kobe University)

  • Beth E. Clark

    (Ithaca College, 267 Center for Natural Sciences)

  • Sho Sasaki

    (RISE Project Office, National Astronomical Observatory of Japan)

  • Masateru Ishiguro

    (College of Natural Sciences, Seoul National University)

  • Olivier S. Barnouin-Jha

    (Johns Hopkins University Applied Physics Laboratory)

Abstract

Asteroids under the weather You'd expect the parent bodies of ordinary chondrites, the most common type of meteorite, to be abundant in the Solar System. But the S-type asteroids that dominate the main asteroid belt do not look like parent-body material. A possible explanation is that surfaces of the parent bodies become optically altered by 'space weathering'. This theory gets a boost with the discovery of extensive space weathering on the asteroid Itokawa, based on data from the Hayabusa asteroid-rendezvous spacecraft.

Suggested Citation

  • Takahiro Hiroi & Masanao Abe & Kohei Kitazato & Shinsuke Abe & Beth E. Clark & Sho Sasaki & Masateru Ishiguro & Olivier S. Barnouin-Jha, 2006. "Developing space weathering on the asteroid 25143 Itokawa," Nature, Nature, vol. 443(7107), pages 56-58, September.
    • Handle: RePEc:nat:nature:v:443:y:2006:i:7107:d:10.1038_nature05073
    DOI: 10.1038/nature05073
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