On the composition of the dust component of comet nuclei

Details On the composition of the dust component of comet nuclei On the composition of the dust component of comet nuclei

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988geokh.....1638i&link_type=abstract

Geokhimiia (ISSN 0016-7525), Nov. 1988, p. 1638-1642. In Russian.

Computer Science

Chemical Composition, Comet Nuclei, Cosmic Dust, Halley'S Comet, Carbonaceous Chondrites, Draconid Meteoroids, Mass Spectroscopy, Meteoroid Showers, Neutron Activation Analysis, Tungusk Meteorite

Scientific paper

This paper considers the composition of the dust component of comet nuclei, with special attention given to Vega mass-spectrometry data on the Comet Halley nucleus and neutron-activation analysis data on magnetite spherules found at the Tungusk site. A comparison of these data with those on the carbonaceous chondrites of the Ornans (CO) and the Ivuna (CI) types and on the particles from the Draconid meteoritic shower suggest that Comet Halley, whose dust-particle composition corresponded to that of the CI type except for a higher content of volatiles, was formed at a greater distance from the sun than the asteroids.

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