Computer Science
Scientific paper
Sep 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987esasp.278..645h&link_type=abstract
In ESA, Proceedings of the International Symposium on the Diversity and Similarity of Comets p 645-647 (SEE N88-21884 14-91)
Computer Science
Aquarid Meteoroids, Evolution (Development), Halley'S Comet, Orbital Mechanics, Orionid Meteoroids, Particle Motion, Spatial Distribution
Scientific paper
Long base observations of the Orionid and Eta Aquarid meteor showers show structural features (secondary maxima, gradual shift of peak rates, etc.) which can be related to the orbital history of the parent comet. There are different possibilities to fit the observational data with theories of the motion of particles ejected from the comet. The long-term evolution of particle orbits leading to the formation of belts is compared with the relatively short-term diffusion process of ejected particles. The efficiency of both processes on the formation of the meteor stream is studied. The comparison of the theoretical limits for the spatial distribution of particles with the observational data confirms the long age of the stream and of the comet.
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