Polymeric complexes in comets and in space

Details Polymeric complexes in comets and in space Polymeric complexes in comets and in space

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.141..177h&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 141, no. 1, Feb. 1988, p. 177-180.

Astronomy and Astrophysics

Astrophysics

3

Halley'S Comet, Interplanetary Dust, Graphite, Interstellar Extinction, Polymers, Comets, Distribution, Aggregates, Polymers, Graphite, Wavelengths, Dust, Extinction, Diagrams, Calculations, Grains, Halley, Models, Condensates

Scientific paper

The detection of long-chain organic polymers similar to polymethylene in the positive ions within the coma of Comet Halley is considered within the context of a class of grain model (Wickramasinghe, 1974). A distribution of fluffy polymeric aggregates similar to that found in the dust from Comet Halley, together with an admixture of free polymers and graphite, is consistent with the observed wavelength dependence of interstellar extinction. The results suggest that the properties of interstellar dust would be similar to the more easily observable properties of cometary dust.

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