An approach to the nature of the silicatic component of Comet Halley

Details An approach to the nature of the silicatic component of Comet Halley An approach to the nature of the silicatic component of Comet Halley

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.250b.265w&link_type=abstract

In ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 2: Dust and Nucleus p 265-267 (SEE N

Astronomy and Astrophysics

Astronomy

Chemical Composition, Cosmic Dust, Halley'S Comet, Mass Spectroscopy, Silicates, Vega Project, Astronomical Spectroscopy, Ratios, Spectrum Analysis

Scientific paper

A first investigation of a lot of "silicate" spectra of "Mode O" from the mass spectrometer on spacecraft VEGA 1 is presented. The ratios of the elements Mg, Fe, Ca, Al, Na, K, S, and O to Si show a similar trend which is known, above all, from CI-carbonaceous chondrites and "Brownlee"-particles (IDP's). In connection with hypothetically silicates a possible model assemblage of cometary dust silicate is proposed.

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