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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September 2020Chondrules reveal large-scale outward transport of inner Solar System materials in the protoplanetary disk

Williams, C. D., Sanborn, M. E., Defouilloy, C., Yin, Q-Z., Kita, N. T., Ebel, D. S., … Yamashita, K. (2020). Chondrules reveal large-scale outward transport of inner Solar System materials in the protoplanetary disk. Proceedings of the National Academy of Sciences, 117(38), 23426–23435. doi:10.1073/pnas.2005235117

A network approach to elucidate and prioritize microbial dark matter in microbial communities

Zamkovaya, T., Foster, J. S., De Crécy-Lagard, V., & Conesa, A. (2020). A network approach to elucidate and prioritize microbial dark matter in microbial communities. The ISME Journal. doi:10.1038/s41396-020-00777-x

Growth of Jupiter: Formation in disks of gas and solids and evolution to the present epoch

d'Angelo, G., Weidenschilling, S. J., Lissauer, J. J., & Bodenheimer, P. (2020). Growth of Jupiter: Formation in disks of gas and solids and evolution to the present epoch. Icarus, None, 114087. doi:10.1016/j.icarus.2020.114087

METATRYP v 2.0: Metaproteomic Least Common Ancestor Analysis for Taxonomic Inference Using Specialized Sequence Assemblies—Standalone Software and Web Servers for Marine Microorganisms and Coronaviruses

Saunders, J. K., Gaylord, D. A., Held, N. A., Symmonds, N., Dupont, C. L., Shepherd, A., … Saito, M. A. (2020). METATRYP v 2.0: Metaproteomic Least Common Ancestor Analysis for Taxonomic Inference Using Specialized Sequence Assemblies—Standalone Software and Web Servers for Marine Microorganisms and Coronaviruses. Journal of Proteome Research. doi:10.1021/acs.jproteome.0c00385

Phase transformation of hydrous ringwoodite to the lower-mantle phases and the formation of dense hydrous silica

Chen, H., Leinenweber, K., Prakapenka, V., Kunz, M., Bechtel, H. A., Liu, Z., & Shim, S-H. (2020). Phase transformation of hydrous ringwoodite to the lower-mantle phases and the formation of dense hydrous silica. American Mineralogist, 105(9), 1342–1348. doi:10.2138/am-2020-7261

The chemical composition of impact craters on Titan

Solomonidou, A., Neish, C., Coustenis, A., Malaska, M., Le Gall, A., Lopes, R. M. C., … Drossart, P. (2020). The chemical composition of impact craters on Titan. Astronomy & Astrophysics, 641, A16. doi:10.1051/0004-6361/202037866

The Effect of Cosmic Rays on Cometary Nuclei. II. Impact on Ice Composition and Structure

Maggiolo, R., Gronoff, G., Cessateur, G., Moore, W. B., Airapetian, V. S., De Keyser, J., … Hosseini, S. (2020). The Effect of Cosmic Rays on Cometary Nuclei. II. Impact on Ice Composition and Structure. The Astrophysical Journal, 901(2), 136. doi:10.3847/1538-4357/abacc3

Evaporation from the Lunar Magma Ocean Was Not the Mechanism for Fractionation of the Moon’s Moderately Volatile Elements

Tang, H., & Young, E. D. (2020). Evaporation from the Lunar Magma Ocean Was Not the Mechanism for Fractionation of the Moon’s Moderately Volatile Elements. The Planetary Science Journal, 1(2), 49. doi:10.3847/psj/abb23c

Impact shock origin of diamonds in ureilite meteorites

Nestola, F., Goodrich, C. A., Morana, M., Barbaro, A., Jakubek, R. S., Christ, O., … Shaddad, M. H. (2020). Impact shock origin of diamonds in ureilite meteorites. Proceedings of the National Academy of Sciences, None, 201919067. doi:10.1073/pnas.1919067117

Further Characterization of the Pseudo-Symmetrical Ribosomal Region

Rivas, M., & Fox, G. E. (2020). Further Characterization of the Pseudo-Symmetrical Ribosomal Region. Life, 10(9), 201. doi:10.3390/life10090201

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