First polymer in space identified in Comet Halley

Details First polymer in space identified in Comet Halley First polymer in space identified in Comet Halley

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987sci...237..628h&link_type=abstract

Science (ISSN 0036-8075), vol. 237, Aug. 7, 1987, p. 628-630. NASA-supported research.

Computer Science

98

Chemical Composition, Cosmochemistry, Halley'S Comet, Mass Spectra, Polymers, Abundance, Giotto Mission, Spaceborne Experiments, Spectrum Analysis, Comets, Halley, Rpa Instrument, Spacecraft Observations, Giotto Mission, Spectra, Spectroscopy, Comae, Composition, Polymers, Ionization, Ions, Formation, Origin, Abundance, Chemistry

Scientific paper

The heavy-ion mass spectrum obtained in the inner coma of comet Halley with the PICCA instrument on the Giotto spacecraft has been examined. Short polymer chains of polyoxymethylene and their decay products are identified as the source for the spectrum with six mass peaks between about 45 and 120 atomic mass units. The properties of polyoxymethylene are consistent with many of the unexpected observations in the coma.

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