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  First results from the cosmic dust aggregation experiment CODAG DYNAMICS

Blum, J., Wurm, G., Poppe, T., Kempf, S., & Kozasa, T. (2002). First results from the cosmic dust aggregation experiment CODAG DYNAMICS. Advances in Space Research, 29, 497-503.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8455-2 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8456-F
Genre: Journal Article

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 Creators:
Blum, J.1, Author           
Wurm, G.2, Author
Poppe, T.2, Author
Kempf, S.3, Author           
Kozasa, T.2, Author
Affiliations:
1Prof. Konrad Mauersberger, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907550              
2Inst Astrophys, Schillergasschen 2-3, D-07745 Jena, Germany; Univ Observ, D-07745 Jena, Germany; Univ Colorado, Atmospher & Space Phys Lab, Boulder, CO 80309 USA; Hokkaido Univ, Grad Sch Sci, Div Earth & Planetary Sci, Sapporo, Hokkaido 0600810, Japan, ou_persistent22              
3Ralf Srama - Heidelberg Dust Group, Research Groups, MPI for Nuclear Physics, Max Planck Society, ou_907558              

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 Abstract: The Cosmic Dust Aggregation Experiment (CODAG), an experimental simulation of the onset of planet formation, was successfully flown on STS-95 (October/November 1998) and on Maser 8 (May 1999). The main objective of the CODAG experiment was a direct observation of the Brownian motion-induced coagulation process of micron-sized dust particles. To overcome rapid sedimentation of the dust grains in the rarefied gas atmosphere, experiments were conducted in a long-duration microgravity environment. In the experiment, we observed that within several minutes the initially deagglomerated dust grains formed fractal dust aggregates due to their thermal motion and subsequent mutual collisions. The results from this experiment are the first experimental proof that the concept of pre-planetary dust coagulation is correct. (C) 2002 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

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Language(s): eng - English
 Dates: 2002
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 28197
ISI: 000175230700002
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Title: Advances in Space Research
Source Genre: Journal
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Pages: - Volume / Issue: 29 Sequence Number: - Start / End Page: 497 - 503 Identifier: ISSN: 0273-1177