Imaging of small-scale features on 433 Eros from NEAR: Evidence for a complex regolith

J. Veverka; P. C. Thomas; M. Robinson; S. Murchie; C. Chapman; M. Bell; A. Harch; W. J. Merline; J. F. Bell; B. Bussey; B. Carcich; A. Cheng; B. Clark; D. Domingue; D. Dunham; R. Farquhar; M. J. Gaffey; E. Hawkins; N. Izenberg; J. Joseph; R. Kirk; H. Li; P. Lucey; M. Malin; L. McFadden; J. K. Miller; Jr Owen; C. Peterson; L. Prockter; J. Warren; D. Wellnitz; B. G. Williams; D. K. Yeomans

doi:10.1126/science.1058651

Imaging of small-scale features on 433 Eros from NEAR: Evidence for a complex regolith

J. Veverka, P. C. Thomas, M. Robinson, S. Murchie, C. Chapman, M. Bell, A. Harch, W. J. Merline, J. F. Bell, B. Bussey, B. Carcich, A. Cheng, B. Clark, D. Domingue, D. Dunham, R. Farquhar, M. J. Gaffey, E. Hawkins, N. Izenberg, J. JosephR. Kirk, H. Li, P. Lucey, M. Malin, L. McFadden, J. K. Miller, Jr Owen, C. Peterson, L. Prockter, J. Warren, D. Wellnitz, B. G. Williams, D. K. Yeomans

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Abstract

On 25 October 2000, the Near Earth Asteroid Rendevous (NEAR)-Shoemaker spacecraft executed a low-altitude flyover of asteroid 433 Eros, making it possible to image the surface at a resolution of about 1 meter per pixel. The images reveal an evolved surface distinguished by an abundance of ejecta blocks, a dearth of small craters, and smooth material infilling some topographic lows. The subdued appearance of craters of different diameters and the variety of blocks and different degrees of their burial suggest that ejecta from several impact events blanketed the region imaged at closest approach and led to the building up of a substantial and complex regolith consisting of fine materials and abundant meter-sized blocks.

Original language	English (US)
Pages (from-to)	484-488
Number of pages	5
Journal	Science
Volume	292
Issue number	5516
DOIs	https://doi.org/10.1126/science.1058651
State	Published - Apr 20 2001
Externally published	Yes

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Veverka, J., Thomas, P. C., Robinson, M., Murchie, S., Chapman, C., Bell, M., Harch, A., Merline, W. J., Bell, J. F., Bussey, B., Carcich, B., Cheng, A., Clark, B., Domingue, D., Dunham, D., Farquhar, R., Gaffey, M. J., Hawkins, E., Izenberg, N., ... Yeomans, D. K. (2001). Imaging of small-scale features on 433 Eros from NEAR: Evidence for a complex regolith. Science, 292(5516), 484-488. https://doi.org/10.1126/science.1058651

Veverka, J, Thomas, PC, Robinson, M, Murchie, S, Chapman, C, Bell, M, Harch, A, Merline, WJ, Bell, JF, Bussey, B, Carcich, B, Cheng, A, Clark, B, Domingue, D, Dunham, D, Farquhar, R, Gaffey, MJ, Hawkins, E, Izenberg, N, Joseph, J, Kirk, R, Li, H, Lucey, P, Malin, M, McFadden, L, Miller, JK, Owen, J, Peterson, C, Prockter, L, Warren, J, Wellnitz, D, Williams, BG & Yeomans, DK 2001, 'Imaging of small-scale features on 433 Eros from NEAR: Evidence for a complex regolith', Science, vol. 292, no. 5516, pp. 484-488. https://doi.org/10.1126/science.1058651

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title = "Imaging of small-scale features on 433 Eros from NEAR: Evidence for a complex regolith",

abstract = "On 25 October 2000, the Near Earth Asteroid Rendevous (NEAR)-Shoemaker spacecraft executed a low-altitude flyover of asteroid 433 Eros, making it possible to image the surface at a resolution of about 1 meter per pixel. The images reveal an evolved surface distinguished by an abundance of ejecta blocks, a dearth of small craters, and smooth material infilling some topographic lows. The subdued appearance of craters of different diameters and the variety of blocks and different degrees of their burial suggest that ejecta from several impact events blanketed the region imaged at closest approach and led to the building up of a substantial and complex regolith consisting of fine materials and abundant meter-sized blocks.",

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AU - Veverka, J.

AU - Thomas, P. C.

AU - Robinson, M.

AU - Murchie, S.

AU - Chapman, C.

AU - Bell, M.

AU - Harch, A.

AU - Merline, W. J.

AU - Bell, J. F.

AU - Bussey, B.

AU - Carcich, B.

AU - Cheng, A.

AU - Clark, B.

AU - Domingue, D.

AU - Dunham, D.

AU - Farquhar, R.

AU - Gaffey, M. J.

AU - Hawkins, E.

AU - Izenberg, N.

AU - Joseph, J.

AU - Kirk, R.

AU - Li, H.

AU - Lucey, P.

AU - Malin, M.

AU - McFadden, L.

AU - Miller, J. K.

AU - Owen, Jr

AU - Peterson, C.

AU - Prockter, L.

AU - Warren, J.

AU - Wellnitz, D.

AU - Williams, B. G.

AU - Yeomans, D. K.

PY - 2001/4/20

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AB - On 25 October 2000, the Near Earth Asteroid Rendevous (NEAR)-Shoemaker spacecraft executed a low-altitude flyover of asteroid 433 Eros, making it possible to image the surface at a resolution of about 1 meter per pixel. The images reveal an evolved surface distinguished by an abundance of ejecta blocks, a dearth of small craters, and smooth material infilling some topographic lows. The subdued appearance of craters of different diameters and the variety of blocks and different degrees of their burial suggest that ejecta from several impact events blanketed the region imaged at closest approach and led to the building up of a substantial and complex regolith consisting of fine materials and abundant meter-sized blocks.

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Imaging of small-scale features on 433 Eros from NEAR: Evidence for a complex regolith

Abstract

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