CHON as a component of dust from Comet Halley

Details CHON as a component of dust from Comet Halley CHON as a component of dust from Comet Halley

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992natur.359..810l&link_type=abstract

Nature (ISSN 0028-0836), vol. 359, no. 6398, p. 810-812.

Computer Science

28

Carbonaceous Materials, Cosmic Dust, Halley'S Comet, Interstellar Matter, Abundance, Chemical Composition, Silicates

Scientific paper

Three sets of particle mass spectra are used here to investigate the relationship between CHON (dust composed predominantly of carbon, hydrogen, oxygen, and nitrogen) and silicate materials in Comet Halley. It is found that there are essentially no pure CHON particles in the 0.1-1 micron size range sampled; instead, essentially all Halley particles sampled by the mass spectrometers are a mixture of both CHON and silicate components. The data show that the CHON and silicate components are interdispersed at submicron scales, and there is evidence that sublimation of volatile organic material occurs, bringing many particles to a common proportion of CHON and silicate material.

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