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Craters, smooth terrains, flows, and layering on the comet nuclei

Keller, H. U.; Basilevsky, A. T.

The paper considers morphology of craters, smooth surfaces, and flows as well as signatures of layering observed on nuclei of Borrelly, Wild 2, and Tempel 1. In our analysis, we emphasize the role of the so-called planation process, which involves avalanche-type flows and can be responsible for the formation of flow-like features, smooth terrains,…