Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984orli...14...15i&link_type=abstract
(Deutsche Forschungsgemeinschaft and Universitaet Mainz, International Conference on the Origin of Life, 7th, Mainz, West German
Astronomy and Astrophysics
Astronomy
13
Abundance, Interstellar Chemistry, Interstellar Matter, Molecular Clouds, Chemical Composition, Orion Nebula, Radio Astronomy, Stellar Envelopes
Scientific paper
Quantitative molecular abundances are becoming available for dense interstellar clouds and circumstellar envelopes, revealing both similarities across a wide range of source conditions and significant differences in the chemistries involved. As understanding concerning the processes that lead to particular compositions increases, it may become possible to relate these findings to the evolution of molecular clouds and hence to the chemistry of regions in which stellar and planetary formation is in progress. Attention is given to the results of a recently completed spectral scan of the Orion molecular cloud, as well as the envelope around the evolved star IRC + 10216, published by Johansson et al. (1983).
Hjalmarson Å..
Irvine William M.
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