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2.3.7 Near-Earth Fragmentation of Cosmic Dust

  • H. Fechtig (a1) and C. Hemenway (a1)
Abstract

Cosmic dust fragmentation in near-earth space is strongly suggested by the high fluxes (~102/m2s) of submicron particles observed in the upper atmospheric collection experiments, the lower fluxes (~10-l/m2s) observed in near-earth space by the lower sensitivity detection experiments and the much lower fluxes (~10−4/m2s) observed in the deep-space experiments. Various possible fragmentation mechanisms are discussed.

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Copyright
COPYRIGHT: © Springer-Verlag 1976
References
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1. Hemenway, C., Dr.Hallgren, , “Time variation of the Altitude Distribution of the Cosmic Dust Layer in the Upper Atmosphere”, Space Research X, p. 272–280, 1970.
2. Hemenway, C., Hallgren, D. and Kerridge, J., “Results from the Gemini S-10 and S-12 Micrometeorite Experiments”, Space Research VIII, p. 521–535, 1968.
3. Hemenway, C., Hallgren, D. and Tackett, D., “Near-Earth Cosmic Dust Results from S-149” AIAA/AGU Conference on the Scientific Experiments of SKYLAB, Huntsville, Alabama, Oct. 30-Nov. 1, 1974.
4. Hallgren, D., Hemenway, C. and Radigan, W., “Micrometeorite Penetration Effects in Gold Foil”, COSPAR, Varna, Bulgaria (in press) 1975.
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7. Hoffman, H., Fechtig, H., Grün, E., Kissel, J., “Temporal Fluctuations and Anisotropy of the Micrometeoroidal Flux in the Earth-Moon System Measured by HEOS 2”, Planetary Space Science 23, 985 (1975).
8. Hemenway, C., “Collections of Cosmic Dust”, Whipple Symposium (in press) 1973.
9. Rosen, J., “The Vertical Distribution of Dust to 30 Kilometer”, JGR, V 69, 21, p. 4673–4676, Nov. 1, 1964.
10. Schneider, E., Storzer, D., Hartung, J., Fechtig, H. and Gentner, W., “Microcraters on Apollo 15 and 16 Samples and Corresponding Cosmic Dust Fluxes”, Proc. Fourth Lunar Science Conf., V 3, p. 3277–3290, 1973.
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12. Grüm, E., Rauser, P., “Penetration Studies of Iron Dust Particles in Thin Foils”, Space Res. IX, p. 147–154, 1969.
13. Eichhorn, G., Dissertation, University of Heidelberg,
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Proceedings of the International Astronomical Union
  • ISSN: -
  • EISSN: 0252-9211
  • URL: /core/journals/proceedings-of-the-international-astronomical-union
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