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Dynamics of self-gravitating dust clouds in astrophysical plasmas
Umeå University, Faculty of Science and Technology, Physics.
Umeå University, Faculty of Science and Technology, Physics.
2008 (English)In: MULTIFACETS OF DUSTY PLASMAS: Fifth International Conference on the Physics of Dusty Plasmas, 2008, 109-112 p.Conference paper, Published paper (Refereed)
Abstract [en]

Due to the gravitational force, clouds of dust and gas in the interstellar medium can contract and form stars and planet systems. We here show that if the dust grains are electrically charged then the self-gravitation can be balanced by the ion pressure, and the collapse can be halted. In this case, the dust cloud may form soft dust planets, having the weight of a small moon or satellite, but a radius larger than of our Sun. There exist a critical mass beyond which the dust cloud collapses and forms a solid planet.

Place, publisher, year, edition, pages
2008. 109-112 p.
Series
AIP Conference Proceedings, 1041
Identifiers
URN: urn:nbn:se:umu:diva-20799DOI: 10.1063/1.2996717OAI: oai:DiVA.org:umu-20799DiVA: diva2:209587
Available from: 2009-03-25 Created: 2009-03-25

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CiteExportLink to record
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  • apa
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