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Kaufmann, Erika and Hagermann, Axel
(2018).
DOI: https://doi.org/10.1016/j.icarus.2018.03.025
Abstract
Our interpretation of the data returned by Rosetta and other cometary missions is based on the predictions of theoretical models and the results of laboratory experiments. For example, Kossacki et al. (2015) showed that 67P's surface hardness reported by Spohn et al. (2015) can be explained by sintering. The present work supports Rosetta's observations by investigating the hardening process of the near-surface layers and the change in surface morphology during insolation. In order to create as simple an analogue as possible our sample consists of pure, porous H2O ice and carbon black particles. The observations suggest that translucence of the near-surface ice is important for enabling subsurface hardening. As an end product of our experiments we also obtained carbon agglomerates with some residual strength.
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About
- Item ORO ID
- 56389
- Item Type
- Journal Item
- ISSN
- 0019-1035
- Project Funding Details
-
Funded Project Name Project ID Funding Body Consolidated Grant - Solar Studies and Planetary Studies (SS & PL 2016) ST/P000657/1 STFC (Science & Technology Facilities Council) - Keywords
- Comet analogues; Comet simulation experiments; Dusty ice; Laboratory; Surfaces; Hardness; Porous ices
- Academic Unit or School
-
Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM) - Copyright Holders
- © 2018 The Authors
- Depositing User
- ORO Import