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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May 2009TRANSITS 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

Tracking Euxinia in the Ancient Ocean: A Multiproxy Perspective and Proterozoic Case Study

Lyons, T. W., Anbar, A. D., Severmann, S., Scott, C., & Gill, B. C. (2009). Annual Review of Earth and Planetary Sciences, 37(1), 507–534. doi:10.1146/annurev.earth.36.031207.124233

FORMATION OF FORMALDEHYDE AND CARBON DIOXIDE ON AN ICY GRAIN ANALOG USING FAST HYDROGEN ATOMS

Madzunkov, S. M., MacAskill, J. A., Chutjian, A., Ehrenfreund, P., Darrach, M. R., Vidali, G., & Shortt, B. J. (2009). The Astrophysical Journal, 697(1), 801–806. doi:10.1088/0004-637x/697/1/801

Elemental Composition of the Martian Crust

McSween, H. Y., Taylor, G. J., & Wyatt, M. B. (2009). Science, 324(5928), 736–739. doi:10.1126/science.1165871

A NEPTUNE-MASS PLANET ORBITING THE NEARBY G DWARF HD 16417

O'Toole, S., Tinney, C. G., Butler, R. P., Jones, H. R. A., Bailey, J., Carter, B. D., … Vogt, S. S. (2009). The Astrophysical Journal, 697(2), 1263–1268. doi:10.1088/0004-637x/697/2/1263

Diversity of hopanoids and squalene-hopene cyclases across a tropical land-sea gradient

Pearson, A., Leavitt, W. D., Sáenz, J. P., Summons, R. E., Tam, M-M., & Close, H. G. (2009). Environmental Microbiology, 11(5), 1208–1223. doi:10.1111/j.1462-2920.2008.01817.x

A KECK HIRES DOPPLER SEARCH FOR PLANETS ORBITING METAL-POOR DWARFS. II. ON THE FREQUENCY OF GIANT PLANETS IN THE METAL-POOR REGIME

Sozzetti, A., Torres, G., Latham, D. W., Stefanik, R. P., Korzennik, S. G., Boss, A. P., … Carney, B. W. (2009). The Astrophysical Journal, 697(1), 544–556. doi:10.1088/0004-637x/697/1/544

Exploration of Victoria Crater by the Mars Rover Opportunity

Squyres, S. W., Knoll, A. H., Arvidson, R. E., Ashley, J. W., Bell, J. F., Calvin, W. M., … Christensen, P. R. (2009). Science, 324(5930), 1058–1061. doi:10.1126/science.1170355

The origin of sulfur-bearing species on the surfaces of icy satellites

Strazzulla, G., Garozzo, M., & Gomis, O. (2009). Advances in Space Research, 43(9), 1442–1445. doi:10.1016/j.asr.2009.01.007