Thermal chemistry of ice mixtures of astrophysical relevance

Details Thermal chemistry of ice mixtures of astrophysical relevance Thermal chemistry of ice mixtures of astrophysical relevance

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997adspr..20.1629s&link_type=abstract

Advances in Space Research, Volume 20, Issue 8, p. 1629-1635.

Astronomy and Astrophysics

Astrophysics

Scientific paper

Two different types of cryogenic thermal reactions have been indicated in astrophysical ice analogs. First, a very low activation barrier allows reactions between acids and bases and the formation of ions. Second, in the presence of traces of NH_3, formaldehyde polymerizes at temperatures in excess of ~ 60 K. The possible relevance of cryogenic thermal reactions in forming cometary matter is discussed.

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