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Hypervelocity Capture of Meteoroids in Aerogel

Published online by Cambridge University Press:  27 February 2018

P. Tsou
P. Tsou*
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109

Extract

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Micrometeoroids of cometary or asteroidal origin constitute a unique repository of information concerning the formation and subsequent processing history of materials in the solar nebula. One of the current goals of planetary science is to return samples from a known primitive extraterrestrial body for detailed laboratory analysis (NASA Solar System Exploration Committee, SSEC 1983). Planetary flyby orbital motions dictate that dust particles will approach the spacecraft at relative speeds up to tens of km/s. It has always been thought that these hypervelocity particles could not be captured without melting or vaporizing. We have developed the intact capture technology that enables flyby sample return of these hypervelocity particles. The STARDUST comet sample return mission, selected as the fourth NASA. Discovery mission, capitalizes on this technology (Brownlee et al. 1996).

Type
VII. Instrumentation
Information
International Astronomical Union Colloquium , Volume 150: Physics, Chemistry and Dynamics of Interplanetary Dust , 1996 , pp. 237 - 242
Copyright
Copyright © Astronomical Society of the Pacific 1996

References

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