The shape of 433 Eros from the NEAR-Shoemaker Laser Rangefinder

被引：152
|
作者：
Zuber, MT [1 ]
Smith, DE
Cheng, AF
Garvin, JB
Aharonson, O
Cole, TD
Dunn, PJ
Guo, YP
Lemoine, FG
Neumann, GA
Rowlands, DD
Torrence, MH
机构：
[1] MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA 02139 USA
[2] NASA, Earth Sci Directorate, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[3] Johns Hopkins Univ, Appl Phys Lab, Laurel, MD 20723 USA
[4] Raytheon Informat Technol & Sci Serv, Greenbelt, MD 20771 USA
来源：
SCIENCE | 2000年 / 289卷 / 5487期
关键词：
D O I：
10.1126/science.289.5487.2097
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Measurements from the Near Earth Asteroid Rendezvous (NEAR)-Shoemaker Laser Rangefinder (NLR) indicate that asteroid 433 Eros is a consolidated body with a complex shape dominated by collisions. The offset between the asreroid's center of mass and center of figure indicates a small deviation from a homogeneous internal structure that is most simply explained by variations in mechanical structure. Regional-scale relief and slope distributions show evidence for control of topography by a competent substrate. impact crater morphology is influenced by both gravity and structural control. Small-scale topography reveals ridges and grooves that may be generated by impact-related fracturing.
引用
收藏
页码：2097 / 2101
页数：5
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