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Observed variations of methane on Mars unexplained by known atmospheric chemistry and physics
Franck Lefèvre, François Forget, 2009. Nature 460(7256), 720–723.
A Mars climate model with coupled chemistry shows that standard photochemistry gives methane a lifetime of several centuries and cannot make local enhancements; reproducing them needs a lifetime under 200 days, a loss 600 times faster than known.
What it's used for here
The physical problem that any variable methane implies.
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Research copy, for editors and curators. The work is the publisher's, so readers are sent to it. We keep this copy so the citation can be checked if the page changes or goes.
doi.org · fetched 27 Oct 2026
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Cited by on this site 2 records
The Mars methane puzzle
MYSThe mystery article
Cite it
Lefèvre, F., & Forget, F. (2009). Observed variations of methane on Mars unexplained by known atmospheric chemistry and physics. Nature 460(7256), 720–723. https://doi.org/10.1038/nature08228
@article{lefevre2009observed,
author = {Lefèvre, Franck and Forget, François},
title = {Observed variations of methane on Mars unexplained by known atmospheric chemistry and physics},
journal = {Nature 460(7256), 720–723},
year = {2009},
doi = {10.1038/nature08228},
url = {https://doi.org/10.1038/nature08228}
}TY - JOUR TI - Observed variations of methane on Mars unexplained by known atmospheric chemistry and physics AU - Lefèvre, Franck AU - Forget, François PY - 2009 JO - Nature 460(7256), 720–723 DO - 10.1038/nature08228 UR - https://doi.org/10.1038/nature08228 ER -
Lefèvre, Franck and François Forget. “Observed variations of methane on Mars unexplained by known atmospheric chemistry and physics.” Nature 460(7256), 720–723 (2009). https://doi.org/10.1038/nature08228.