Possible alterations of matter in periodic comets

Details Possible alterations of matter in periodic comets Possible alterations of matter in periodic comets

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.249...69k&link_type=abstract

In ESA Proceedings of an ESA Workshop on the Comet Nucleus Sample Return Mission p 69-74 (SEE N87-25109 18-90)

Computer Science

Comets, Evolution (Development), Interstellar Chemistry, Radiation Effects, Solar Radiation, Chemical Composition, Clathrates, Cosmic Dust, Ice, Microstructure, Samples, Textures

Scientific paper

The modifications of texture, structure and composition that cometary matter may have undergone due to solar heating since the comet is on a periodic orbit are discussed. It is found that very volatile ices may have been depleted, and clathrate hydrates formed from initially amorphous mixtures. Dust has been enriched and some isotope ratios may have been slightly modified. Some criteria for the selection of the target of CNSR are discussed.

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