Distinctive space weathering on Vesta from regolith mixing processes

@article{Pieters2012DistinctiveSW,
  title={Distinctive space weathering on Vesta from regolith mixing processes},
  author={C. Pieters and E. Ammannito and D. Blewett and B. Denevi and M. C. Sanctis and M. Gaffey and L. Corre and J.-Y. Li and S. Marchi and T. Mccord and L. McFadden and D. Mittlefehldt and A. Nathues and E. Palmer and V. Reddy and C. Raymond and C. Russell},
  journal={Nature},
  year={2012},
  volume={491},
  pages={79-82}
}
The surface of the asteroid Vesta has prominent near-infrared absorption bands characteristic of a range of pyroxenes, confirming a direct link to the basaltic howardite–eucrite–diogenite class of meteorites. Processes active in the space environment produce ‘space weathering’ products that substantially weaken or mask such diagnostic absorption on airless bodies observed elsewhere, and it has long been a mystery why Vesta’s absorption bands are so strong. Analyses of soil samples from both the… Expand

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Space Weathering on Airless Bodies.
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