Aspects of the major element composition of Halley's dust

Details Aspects of the major element composition of Halley's dust Aspects of the major element composition of Halley's dust

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.332..691j&link_type=abstract

Nature (ISSN 0028-0836), vol. 332, April 21, 1988, p. 691-695.

Computer Science

211

Chemical Composition, Halley'S Comet, Interplanetary Dust, Organic Compounds, Silicates, Granular Materials, Isotopes, Time Of Flight Spectrometers, Vega Project, Comets, Halley, Major Elements, Composition, Dust, Chemistry, Grains, Mass Spectrometry, Spacecraft Observations, Vega 1 Mission, Silicates, Organic Material, Refractory Material, Puma 1 Instrument, Pia Instrument, Puma 2 Instrument, Giotto Mission, Vega Missions, Isotopes, Analysis, Spectroscopy, Spectra, Abundance, Concentration, Classification

Scientific paper

Further attempts to extract chemical information on the solid dust particles of Comet Halley from impact-ionization time-of-flight mass spectrometry are described. Results on average compositions, element groupings, CHON particles, and silicates are discussed. Halley's dust in the vicinity of the Vega-1 spacecraft is found to be a mixture of a refractory organic component and unequilibrated silicon, but detailed chemical information on individual particles is difficult to extract because of the complexity of the impact-ionization process.

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