Laboratory Simulation on Interstellar Chemical Evolution

Details Laboratory Simulation on Interstellar Chemical Evolution Laboratory Simulation on Interstellar Chemical Evolution

Dec 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982orli...12..361i&link_type=abstract

Origins of Life, Volume 12, Issue 4, pp.361-367

Physics

1

Scientific paper

The chemistry in a supersonic plasma source flow was studied as a laboratory model for interstellar chemical evolution. It is important to match the similarity parameters for cosmic and laboratory conditions, which connect the temporal and spatial scales of the two cases. The apparatus simulated the conditions in a molecular cloud with respect to ion-molecule reaction fraction, temperature, and non-equilibrium kinetics. The plasma flow was found to be cold enough, by the radical expansion, to produce polyatomic molecules. From the simple atomic plasma as reactant, cyanopolyyne and unsaturated hydrocarbons were synthesized in the present experiment. These molecules are also inherent in molecular clouds. The reaction mechanism is discussed.

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