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Interstellar Cloud Material: Contribution to Planetary Atmospheres

Butler, Dixon M. and Newman, Michael J. and Talbot, Raymond J., Jr. (1978) Interstellar Cloud Material: Contribution to Planetary Atmospheres. Science, 201 (4355). pp. 522-525. ISSN 0036-8075. doi:10.1126/science.201.4355.522.

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A statistical analysis of the properties of dense interstellar clouds indicates that the solar system has encountered at least a dozen clouds of sufficient density to cause planets to accumulate nonnegligible amounts of some isotopes. The effect is most pronounced for neon. This mechanism could be responsible for much of the neon in Earth's atmosphere. For Mars, the predicted amount of neon added by cloud encounters greatly exceeds the present abundance.

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Additional Information:© 1978 American Association for the Advancement of Science. Received 23 May 1977; revised 18 April 1978. This work was supported in part by NSF grant PHY76-83865 at California Institute of Technology and NSF grant AST 74-20076 A01 at Rice University.
Funding AgencyGrant Number
NSFAST 74-20076 A01
Issue or Number:4355
Record Number:CaltechAUTHORS:20150729-145557908
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Official Citation:Interstellar Cloud Material: Contribution to Planetary Atmospheres DIXON M. BUTLER, MICHAEL J. NEWMAN, and RAYMOND J. TALBOT JR. Science 11 August 1978: 201 (4355), 522-525. [DOI:10.1126/science.201.4355.522]
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59073
Deposited By: Tony Diaz
Deposited On:06 Aug 2015 19:30
Last Modified:10 Nov 2021 22:14

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