Is there methane on Mars?
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Temporal and spatial variability in martian methane is difficult to account for chemically.
“Such variations are difficult to account for chemically (Zahnle et al., 2011)”
From The Astrobiology Primer v2.0 (2016) · cites this paper as Zahnle et al., 2011
Outgassed CO is unlikely to persist in abundance in the atmospheres of inhabited planets because CO is an excellent source of microbial free energy and carbon.
“In addition, outgassed CO is unlikely to persist in abundance in the atmospheres of inhabited planets because CO is an excellent source of microbial free energy and carbon (43).”
From Disequilibrium biosignatures over Earth history and implications for detecting exoplanet life (2018) · cites this paper as [43]
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Outgassing History and Escape of the Martian Atmosphere and Water Inventory
Lammer, H., Chassefière, E., Karatekin, Ö., Morschhauser, A., Niles, P. B., Mousis, O., Odert, P., Möstl, U. V., Breuer, D., Dehant, V., et al. (2013) · Space Science Reviews · doi:10.1007/s11214-012-9943-8 · Cited by 180 · see citing works
Disequilibrium biosignatures over Earth history and implications for detecting exoplanet life
Krissansen-Totton, J., Olson, S., & Catling, D. C. (2018) · Science Advances · doi:10.1126/sciadv.aao5747 · Cited by 177 · see citing works
Self-citationDomagal-Goldman, S. D., Wright, K. E., Domagal-Goldman, S. D., Wright, K. E., Adamala, K., Arina de la Rubia, L., Bond, J., Dartnell, L. R., Goldman, A. D., Lynch, K., et al. (2016) · Astrobiology · doi:10.1089/ast.2015.1460 · Cited by 136 · see citing works
“Such variations are difficult to account for chemically (Zahnle et al., 2011), and the MSL SAM instrument has been unable to detect atmospheric methane to an upper limit of only 1.3 ppbv (Webster et al., 2013).”
InfluentialBayesian analysis of the astrobiological implications of life’s early emergence on Earth
Spiegel, D. S., & Turner, E. L. (2012) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1111694108 · Cited by 132 · see citing works
- Authors
- Zahnle, K., Freedman, R. S., & Catling, D. C.
- Affiliations
- Ames Research Center (US)
- University of Washington (US)
- Corresponding author
- Zahnle, Kevin
- Venue
- Icarus
- Publisher
- Elsevier BV
- Published
- 2011-04
- Volume
- 212
- Issue
- 2
- Pages
- 493-503
- ISSN
- 0019-1035 (ISSN-L)
- OpenAlex
- W2083499380
- Cited by
- 199
- References
- 66
- Citations by year
- 2026: 6 · 2025: 9 · 2024: 10 · 2023: 4 · 2022: 7 · 2021: 14 · 2020: 14 · 2019: 11 · 2018: 12 · 2017: 7 · 2016: 16 · 2015: 18 · 2014: 12 · 2013: 23 · 2012: 24
- FWCI
- 10.05
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Icarus (publishedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Planetary Science and Exploration
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astro and Planetary Science
- Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric and Environmental Gas Dynamics
- Keywords
- Mars atmosphere, telluric absorption, methane absorption lines, HITRAN, methane oxidation, methane adsorption, clathrates, van der Waals attraction, seasonal and latitudinal variation
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