Abstract
It is argued that photochemical processes, driven by ultraviolet starlight, could lead to large deuterium fractionation for H2O and CH4 relative to H2 in the primitive solar nebula. Implications for deuterium enrichment observed in planetary atmospheres are briefly discussed.
Publication types
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Research Support, U.S. Gov't, Non-P.H.S.
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Atmosphere
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Deuterium*
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Extraterrestrial Environment
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Hydrogen / chemistry
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Hydroxyl Radical / chemistry
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Isotopes*
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Models, Chemical*
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Photochemistry*
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Photolysis
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Planets
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Solar System*
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Water / chemistry
Substances
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Isotopes
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Water
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Hydroxyl Radical
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Hydrogen
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Deuterium