Simulation of comet particulates from organic compounds

Details Simulation of comet particulates from organic compounds Simulation of comet particulates from organic compounds

Feb 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pazh....7..115k&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 7, Feb. 1981, p. 115-119.) Soviet Astronomy Letters, vol. 7, Jan.-Feb. 1981, p. 63-65.

Astronomy and Astrophysics

Astronomy

Astronomical Models, Chemical Composition, Comet Nuclei, Molecular Structure, Organic Compounds, Particulate Sampling, Particulates, Aqueous Solutions, Freezing, Polarized Radiation, Systems Simulation, Water Vapor

Scientific paper

A laboratory study of the sublimation of aqueous solutions of several organic compounds (urea, glycine, and phenylalanine) that might occur in comet nuclei is described. The molecules of the organic materials are found to form acicular crystals. If the concentration of the initial solution is reduced the acicular crystals will grow longer. The presence of elongated grains in comet atmospheres could explain certain polarization characteristics of comet radiation.

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