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Water vapor from a lunar breccia - Implications for evolving planetary atmospheres.The exposure of a typical complex lunar breccia to hydrogen after a through outgassing produces a fully reduced surface state. Subsequent outgassing over a wide temperature range results in the production of water vapor formed from the chemisorbed hydrogen and oxygen from the lunar sample; the proposed mechanism has been confirmed in terms of the chemisorption of deuterium and the release of heavy water. Since the conditions of the experiments are consistent with those on the lunar surface, it is postulated that water vapor will be produced on the moon through the interaction of the solar wind with lunar soil. It is also proposed that such a process could play an important role in the early history of many planets where an oxygen-rich soil is exposed to a reducing atmosphere.
Document ID
19730048322
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Cadenhead, D. A.
Buergel, W. G.
(New York, University Buffalo, N.Y., United States)
Date Acquired
August 7, 2013
Publication Date
June 15, 1973
Publication Information
Publication: Science
Volume: 180
Subject Category
Space Sciences
Accession Number
73A33124
Funding Number(s)
CONTRACT_GRANT: NGR-33-183-013
CONTRACT_GRANT: NGR-33-183-004
Distribution Limits
Public
Copyright
Other

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