... Our previous work suggests this is not due to shape or compositional variations, but may be due to variations in regolith thickness or large-scale facets that were favorably oriented during the last encounter. ...
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Ссылки http://www.naic.edu/vscience/schedule/tpfiles/ShepardtagR2422tp.pdf -- 47.9 Кб -- 11.06.2008 Похожие документы
... Our previous work suggests this is not due to shape or compositional variations, but may be due to variations in regolith thickness or largescale facets that were favorably oriented during the last encounter. ...
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Ссылки http://www.naic.edu/vscience/schedule/tpfiles/ShepardtagR2422tp.ps -- 87.0 Кб -- 11.06.2008 Похожие документы
... An important science goal is detailed comparison with 13-cm feature radar albedos, leading to the thicknesses of the regolith cover for the features. ...
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Ссылки http://www.naic.edu/vscience/schedule/tpfiles/SladetagR1783tp.ps -- 101.6 Кб -- 19.04.2004 Похожие документы
... provide an estimate of the asteroid's size, enabling us to address discrepancies in past analyses as to whether Betulia is a small object with a lunar-like fine-grained regolith or else a larger object with only large rocks or bare bedrock at its surface ...
... of the Primordial Earth Asteroid Pole Directions from Radar Interferometry Using Multi-Polarization Radar to Search for Regolith on Asteroids Asteroid Spins and Shapes from Multidatainversion: The Big Picture Fast and Slow Spins Revisited: YORP alteration ...
... Don Campbell Asteroid Pole Directions from Radar Interferometry 3:40 Lynn Carter Using MultiPolarization Radar to Search for Regolith on Asteroids 4:00 Mikko Kaasalainen Asteroid Spins and Shapes from Multidatainversion: The Big Picture 4:20 Discussion ...
... Bulk density, > proportion of rock/regolith on the surface, shape, spin state, average > slopes, and > metallic/rocky composition can be determined for some objects. ...
... 4 Using Multi-Polarization Radar to Search for Regolith on Asteroids Lynn M. Carter, Donald B. Campbell and Michael C. Nolan The presence of regolith material will alter an asteroid's thermal properties and can affect its dynamical history via Yarkovsky ...