Other
Scientific paper
Nov 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.500..233r&link_type=abstract
In: Proceedings of Asteroids, Comets, Meteors - ACM 2002. International Conference, 29 July - 2 August 2002, Berlin, Germany. Ed
Other
3
Meteors, Bolides, Porosity
Scientific paper
We present theoretical evidence for possibly significantly porous structure for certain types of meteoroids and have analyzed the detailed dynamics, energetics, ablation, luminosity and fragmentation behavior of these meteoroids (for bolide groups II through IIIB or equivalently, for meteor groups A through D) based on this proposed structure. The advantage of this approach is that as the uniform volume porosity vanishes, we fully recover the uniform bulk density limit previously treated in detail by most other authors. Recent work on modeling comets has also studied the porous structure of the core of these fragile bodies. The connection between the various cometarty sources of small meteoroids in terms of this porous structure needs to be more fully examined. This is especially the case now that also contains weak, but highly porous materials, i.e., Tagish Lake.
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