Interpebble contact radius in a comet nucleus Article Swipe
Sota Arakawa
,
Daisuke Nishiura
,
Mikito Furuichi
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1093/mnras/stad896
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1093/mnras/stad896
In recent years, the gravitational collapse of pebble clumps in the early Solar system has been regarded as a plausible scenario for the origin of comets. In this context, ‘pebbles’ represent mm- to cm-sized dust aggregates composed of (sub)micron-sized dust particles, and the structure of km-sized comets is thought to be an agglomerate of pebbles. The contact radius for pebble–pebble contacts was modelled in an earlier study; however, the pressure dependence of the interpebble contact radius was not considered. Here, we revisit the interpebble contact radius in a comet nucleus. We calculated the interpebble contact radius based on JKR contact theory, and we took into consideration the effect of lithostatic pressure. We found that the interpebble contact radius varies with depth from the surface, and the earlier model underestimated it by one order of magnitude at the centre of the comet nucleus.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1093/mnras/stad896
- OA Status
- green
- Cited By
- 2
- References
- 73
- Related Works
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- OpenAlex ID
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All OpenAlex metadata
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https://doi.org/10.1093/mnras/stad896Digital Object Identifier
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Interpebble contact radius in a comet nucleusWork title
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articleOpenAlex work type
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enPrimary language
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2023Year of publication
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2023-03-23Full publication date if available
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Sota Arakawa, Daisuke Nishiura, Mikito FuruichiList of authors in order
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https://doi.org/10.1093/mnras/stad896Publisher landing page
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YesWhether a free full text is available
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greenOpen access status per OpenAlex
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https://arxiv.org/pdf/2303.12272Direct OA link when available
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Physics, RADIUS, Comet, Context (archaeology), Pebble, Astrophysics, Nucleus, Effective radius, Gravitation, Solar radius, Astronomy, Solar wind, Coronal mass ejection, Nuclear physics, Plasma, Geomorphology, Geology, Galaxy, Biology, Cell biology, Paleontology, Computer security, Computer scienceTop concepts (fields/topics) attached by OpenAlex
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2Total citation count in OpenAlex
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2025: 1, 2024: 1Per-year citation counts (last 5 years)
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10Other works algorithmically related by OpenAlex
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