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Properties of rubble-pile asteroid (101955) Bennu from OSIRIS-REx imaging and thermal analysis

DellaGiustina, D. N.; Emery, J. P.; Golish, D. R.; Rozitis, B.; Bennett, C. A.; Burke, K. N.; Ballouz, R.-L.; Becker, K. J.; Christensen, P. R.; Drouet d’Aubigny, C. Y.; Ireland, Trevor

Description

Establishing the abundance and physical properties of regolith and boulders on asteroids is crucial for understanding the formation and degradation mechanisms at work on their surfaces. Using images and thermal data from NASA’s Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer (OSIRIS-REx) spacecraft, we show that asteroid (101955) Bennu’s surface is globally rough, dense with boulders, and low in albedo. The number of boulders is surprising given Bennu’s...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
URI: http://hdl.handle.net/1885/203531
Source: Nature Astronomy
DOI: 10.1038/s41550-019-0731-1

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