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Growth and Form of Planetary Seedlings : Results from a Microgravity Aggregation Experiment

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Title: Growth and Form of Planetary Seedlings : Results from a Microgravity Aggregation Experiment
Authors: Blum, J. Browse this author
Wurm, G. Browse this author
Kempf, S. Browse this author
Poppe, T. Browse this author
Klahr, H. Browse this author
Kozasa, T. Browse this author →KAKEN DB
Rott, M. Browse this author
Henning, T. Browse this author
Dorschner, J. Browse this author
Schräpler, R. Browse this author
Keller, H. U. Browse this author
Markiewicz, W. J. Browse this author
Mann, I. Browse this author
Gustafson, B. A. S. Browse this author
Giovane, F. Browse this author
Neuhaus, D. Browse this author
Fechtig, H. Browse this author
Grün, E. Browse this author
Feuerbacher, B. Browse this author
Kochan, H. Browse this author
Ratke, L. Browse this author
Goresy, A. El Browse this author
Morfill, G. Browse this author
Weidenschilling, S. J. Browse this author
Schwehm, G. Browse this author
Metzler, K. Browse this author
Ip, W.-H. Browse this author
Keywords: PACS=96.35.Cp
PACS=45.70.–n
PACS=61.43.Hv
PACS=81.10.Mx
Issue Date: 18-Sep-2000
Publisher: American Physical Society
Journal Title: Physical Review Letters
Volume: 85
Issue: 12
Start Page: 2426
End Page: 2429
Publisher DOI: 10.1103/PhysRevLett.85.2426
Abstract: The outcome of the first stage of planetary formation, which is characterized by ballistic agglomeration of preplanetary dust grains due to Brownian motion in the free molecular flow regime of the solar nebula, is still somewhat speculative. We performed a microgravity experiment flown onboard the space shuttle in which we simulated, for the first time, the onset of free preplanetary dust accumulation and revealed the structures and growth rates of the first dust agglomerates in the young solar system. We find that a thermally aggregating swarm of dust particles evolves very rapidly and forms unexpected open-structured agglomerates.
Rights: © 2000 American Physical Society
Type: article
URI: http://hdl.handle.net/2115/42827
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 小笹 隆司

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