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American Association for the Advancement of Science, Science, 6220(347), 2015

DOI: 10.1126/science.aaa0440

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The morphological diversity of comet 67P/Churyumov-Gerasimenko

Journal article published in 2015 by Nicolas Thomas, Holger Sierks, Cesare Barbieri, Philippe L. Lamy, Rafael Rodrigo, Hans Rickman, Detlef Koschny, Horst Uwe Keller, Jessica Agarwal, Michael F. A'Hearn, Francesco Angrilli, Anne-Thérèse Auger, M. Antonella Barucci, M. Antonella Barucci, Jean-Loup Bertaux and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Images of comet 67P/Churyumov-Gerasimenko acquired by the OSIRIS (Optical, Spectroscopic and Infrared Remote Imaging System) imaging system onboard the European Space Agency’s Rosetta spacecraft at scales of better than 0.8 meter per pixel show a wide variety of different structures and textures. The data show the importance of airfall, surface dust transport, mass wasting, and insolation weathering for cometary surface evolution, and they offer some support for subsurface fluidization models and mass loss through the ejection of large chunks of material.