Constraints on Space Weathering from the Albedos of WISE-detected Asteroids

Details Constraints on Space Weathering from the Albedos of WISE-detected Asteroids Constraints on Space Weathering from the Albedos of WISE-detected Asteroids

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1633m&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1633

Physics

Scientific paper

Numerous experimental and observational studies have shown that space weathering causes planetary surfaces to darken over time. However, details of this process remain poorly understood. The derivation of albedos for the 150,000 asteroids observed by NASA's Wide-Field Infrared Survey Explorer (WISE) mission provides an excellent means for investigating in a statistically significant manner the relevant mechanisms and timescales associated with space weathering. We will present an analysis of the preliminary release of WISE data with a focus on the relationship between the surface ages of asteroids and their calculated albedos.

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