Biology
Scientific paper
Nov 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007acs..meet..232e&link_type=abstract
ACS symposium: Chemical Evolution I: Chemical Change Across Space and Time, Chicago, 2007, Oxford University Press, 232-246
Biology
Astrobiology, Cosmology: Carbon
Scientific paper
The complexity of carbonaceous molecules, their abundance and timescale of formation in our evolving universe are crucial questions within cosmic chemistry. Interestingly, the organic chemistry in space seems to follow common pathways throughout space and time. The largest fraction of carbon in the universe is incorporated into aromatic molecules (gaseous polycyclic aromatic hydrocarbons as well as solid aromatic structures). Molecular clouds are the birthplace of stars, planets and small bodies. Therefore a lineage between carbon reservoirs in the interstellar medium and in the solar system is expected. We attempt to compile the current knowledge on the connection between interstellar and solar system material, based on observations of interstellar dust and gas, cometary volatiles, simulation experiments, and the analysis of extraterrestrial matter. Those combined results are used to investigate the most abundant and stable carbonaceous material that was delivered to young planets and probably used to build up life.
Ehrenfreund Pascale
Spaans Marco
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