Interstellar Reservoirs of Cometary Matter |
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Authors: | S. B. Charnley S. D. Rodgers |
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Affiliation: | 1. Space Science & Astrobiology Division, MS 245-3, NASA Ames Research Center, Moffett Field, CA, 94035-1000, USA
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Abstract: | We review the evidence for the products of interstellar chemistry in volatile cometary matter. We compare the organic inventory of star-forming cores with that measured in various comets and point out the similarities and differences. The conditions necessary to fractionate interstellar molecules in the heavier isotopes of H, C, O and N are summarised and compared to the measured fractionation ratios in cometary ices. We give a list of future measurements that would shed further light on the putative connection between cometary and interstellar molecules. |
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