Emerging Trends in Comet Taxonomy. “Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013.” in IcarusCycles of Glaciation on Ancient Mars. “Climate Cycling on Early Mars Caused by the Carbonate-Silicate Cycle” in Earth and Planetary Astrophysics.Methane Muted: How Did Early Earth Stay Warm?. “A proper accounting of biogeochemical cycles in the oceans reveals that methane has a much more powerful foe than oxygen.” in PNAS
Emerging Trends in Comet Taxonomy“Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013.” in Icarus01/03
Cycles of Glaciation on Ancient Mars“Climate Cycling on Early Mars Caused by the Carbonate-Silicate Cycle” in Earth and Planetary Astrophysics.02/03
Methane Muted: How Did Early Earth Stay Warm?“A proper accounting of biogeochemical cycles in the oceans reveals that methane has a much more powerful foe than oxygen.” in PNAS03/03
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June 2009Highly siderophile elements in the Earth, Moon and Mars: Update and implications for planetary accretion and differentiation

Walker, R. J. (2009). Chemie der Erde - Geochemistry, 69(2), 101–125. doi:10.1016/j.chemer.2008.10.001

FINDING TRACERS FOR SUPERNOVA PRODUCED 26 Al

Young, P. A., Ellinger, C. I., Arnett, D., Fryer, C. L., & Rockefeller, G. (2009). The Astrophysical Journal, 699(2), 938–947. doi:10.1088/0004-637x/699/2/938

May 2009THE INFRARED SPECTRA OF VERY LARGE IRREGULAR POLYCYCLIC AROMATIC HYDROCARBONS (PAHs): OBSERVATIONAL PROBES OF ASTRONOMICAL PAH GEOMETRY, SIZE, AND CHARGE

Bauschlicher, C. W., Peeters, E., & Allamandola, L. J. (2009). The Astrophysical Journal, 697(1), 311–327. doi:10.1088/0004-637x/697/1/311

An alkaline spring system within the Del Puerto Ophiolite (California, USA): A Mars analog site

Blank, J. G., Green, S. J., Blake, D., Valley, J. W., Kita, N. T., Treiman, A., & Dobson, P. F. (2009). Planetary and Space Science, 57(5-6), 533–540. doi:10.1016/j.pss.2008.11.018

[FeFe] Hydrogenase Genetic Diversity Provides Insight into Molecular Adaptation in a Saline Microbial Mat Community

Boyd, E. S., Spear, J. R., & Peters, J. W. (2009). Applied and Environmental Microbiology, 75(13), 4620–4623. doi:10.1128/aem.00582-09

The Planetary Air Leak

Catling, D. C., & Zahnle, K. J. (2009). Scientific American, 300(5), 36–43. doi:10.1038/scientificamerican0509-36

OBSERVATIONAL EVIDENCE FOR TIDAL DESTRUCTION OF EXOPLANETS

Jackson, B., Barnes, R., & Greenberg, R. (2009). The Astrophysical Journal, 698(2), 1357–1366. doi:10.1088/0004-637x/698/2/1357

A laboratory study on the thermally induced transformation of hydrogen cyanide (HCN) to the cyanogen anion (CN−) in Solar System analog ices

Jamieson, C. S., Chang, A. H. H., & Kaiser, R. I. (2009). Advances in Space Research, 43(9), 1446–1450. doi:10.1016/j.asr.2009.01.016

TRANSITS OF EARTH-LIKE PLANETS

Kaltenegger, L., & Traub, W. A. (2009). The Astrophysical Journal, 698(1), 519–527. doi:10.1088/0004-637x/698/1/519

The worm turned, and the ocean followed

Lyons, T. W., & Gill, B. C. (2009). Proceedings of the National Academy of Sciences, 106(20), 8081–8082. doi:10.1073/pnas.0903380106