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* Division of Geological and Planetary Sciences, MS 150-21, California Institute of Technology, Pasadena, CA 91125; and
Edited by Donald M. Hunten, University of Arizona, Tucson, AZ,
and approved January 11, 2001 (received for review October 26, 2000)
Our selection of new super greenhouse gases to fill a putative
"window" in a future Martian atmosphere relies on
quantum-mechanical calculations. Our study indicates that if Mars could
somehow acquire an Earth-like atmospheric composition and surface
pressure, then an Earth-like temperature could be sustained by a
mixture of five to seven fluorine compounds. Martian mining
requirements for replenishing the fluorine could be comparable to
current terrestrial extraction.
Special Feature
Geophysics
Keeping Mars warm with new super greenhouse gases
,
,
Department of Chemistry and Department of Earth and
Atmospheric Sciences, Purdue University, West Lafayette, IN 47907
To whom reprint requests should be addressed.
E-mail: yly{at}mercu1.gps.caltech.edu.
www.pnas.org/cgi/doi/10.1073/pnas.051511598
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