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Surface Exposure Ages of Space-Weathered Grains from Asteroid 25143 Itokawa

Author:
Keller, L. P.
Published:
November 2, 2015.
Physical Description:
1 electronic document
Additional Creators:
Berger, E. L. and Christoffersen, R.
Online Version

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Summary:
Space weathering processes such as solar wind ion irradiation and micrometeorite impacts are widely known to alter the properties of regolith materials exposed on airless bodies. The rates of space weathering processes however, are poorly constrained for asteroid regoliths, with recent estimates ranging over many orders of magnitude. The return of surface samples by JAXA's Hayabusa mission to asteroid 25143 Itokawa, and their laboratory analysis provides "ground truth" to anchor the timescales for space weathering processes on airless bodies.
Other Subject(s):
Collection:
NASA Technical Reports Server (NTRS) Collection.
Note:
Document ID: 20150019434.
JSC-CN-34416.
Space Weathering of Airless Bodies: An Integration of Remote Sensing Data, Laboratory Experiments and Sample Analysis Workshop; 2-4 Nov. 2015; Houston, TX; United States.
Terms of Use and Reproduction:
Copyright, Distribution as joint owner in the copyright.
View MARC record | catkey: 17531234