NASA Astrobiology

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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 Icarus

Cycles 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 2020Streaming Instability in Turbulent Protoplanetary Disks

Umurhan, O. M., Estrada, P. R., & Cuzzi, J. N. (2020). Streaming Instability in Turbulent Protoplanetary Disks. The Astrophysical Journal, 895(1), 4. doi:10.3847/1538-4357/ab899d

Large Mass-Independent Oxygen Isotope Fractionations in Mid-Proterozoic Sediments: Evidence for a Low-Oxygen Atmosphere?

Planavsky, N. J., Reinhard, C. T., Isson, T. T., Ozaki, K., & Crockford, P. W. (2020). Large Mass-Independent Oxygen Isotope Fractionations in Mid-Proterozoic Sediments: Evidence for a Low-Oxygen Atmosphere? Astrobiology, 20(5), 628–636. doi:10.1089/ast.2019.2060

Properties of Sub-Neptune Atmospheres: TOI-270 System

Chouqar, J., Benkhaldoun, Z., Jabiri, A., Lustig-Yaeger, J., Soubkiou, A., & Szentgyorgyi, A. (2020). Properties of Sub-Neptune Atmospheres: TOI-270 System. Monthly Notices of the Royal Astronomical Society. doi:10.1093/mnras/staa1198

Hydrogenation reactions of carbon on Earth: Linking methane, margarine, and life

McGlynn, S. E., Glass, J. B., Johnson-Finn, K., Klein, F., Sanden, S. A., Schrenk, M. O., … Vitale-Brovarone, A. (2020). Hydrogenation reactions of carbon on Earth: Linking methane, margarine, and life. American Mineralogist, 105(5), 599–608. doi:10.2138/am-2020-6928ccbyncnd

The fate of organic carbon in marine sediments - New insights from recent data and analysis

LaRowe, D. E., Arndt, S., Bradley, J. A., Estes, E. R., Hoarfrost, A., Lang, S. Q., … Zhao, R. (2020). The fate of organic carbon in marine sediments - New insights from recent data and analysis. Earth-Science Reviews, 204, 103146. doi:10.1016/j.earscirev.2020.103146

April 2020Best Practices for Determination of Initial 10 Be/ 9 Be in Early Solar System Materials by SIMS

Dunham, E. T., Wadhwa, M., Desch, S. J., & Hervig, R. L. (2020). Best Practices for Determination of Initial 10 Be/ 9 Be in Early Solar System Materials by SIMS. Geostandards and Geoanalytical Research. doi:10.1111/ggr.12329

The Impact of Planetary Rotation Rate on the Reflectance and Thermal Emission Spectrum of Terrestrial Exoplanets around Sunlike Stars

Guzewich, S. D., Lustig-Yaeger, J., Davis, C. E., Kopparapu, R. K., Way, M. J., & Meadows, V. S. (2020). The Impact of Planetary Rotation Rate on the Reflectance and Thermal Emission Spectrum of Terrestrial Exoplanets around Sunlike Stars. The Astrophysical Journal, 893(2), 140. doi:10.3847/1538-4357/ab83ec

Incremental melting in the ureilite parent body: Initial composition, melting temperatures, and melt compositions

Collinet, M., & Grove, T. L. (2020). Incremental melting in the ureilite parent body: Initial composition, melting temperatures, and melt compositions. Meteoritics & Planetary Science. doi:10.1111/maps.13471

A Constructive Way to Think about Different Hydrothermal Environments for the Origins of Life

Omran, A., & Pasek, M. (2020). A Constructive Way to Think about Different Hydrothermal Environments for the Origins of Life. Life, 10(4), 36. doi:10.3390/life10040036

Constraining the radial drift of millimeter-sized grains in the protoplanetary disks in Lupus

Trapman, L., Ansdell, M., Hogerheijde, M. R., Facchini, S., Manara, C. F., Miotello, A., … Bruderer, S. (2020). Constraining the radial drift of millimeter-sized grains in the protoplanetary disks in Lupus. Astronomy & Astrophysics. doi:10.1051/0004-6361/201834537

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