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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October 2020Potassium isotope anomalies in meteorites inherited from the protosolar molecular cloud

Ku, Y., & Jacobsen, S. B. (2020). Potassium isotope anomalies in meteorites inherited from the protosolar molecular cloud. Science Advances, 6(41), eabd0511. doi:10.1126/sciadv.abd0511

Absolute dating of the L-chondrite parent body breakup with high-precision U–Pb zircon geochronology from Ordovician limestone

Liao, S., Huyskens, M. H., Yin, Q-Z., & Schmitz, B. (2020). Absolute dating of the L-chondrite parent body breakup with high-precision U–Pb zircon geochronology from Ordovician limestone. Earth and Planetary Science Letters, 547, 116442. doi:10.1016/j.epsl.2020.116442

Early diagenesis of organic-rich marls under shifting suboxic to euxinic conditions: The lower Toarcian of the Bächental basin

Neumeister, S., Misch, D., Algeo, T. J., Gawlick, H-J., Gratzer, R., & Sachsenhofer, R. F. (2020). Early diagenesis of organic-rich marls under shifting suboxic to euxinic conditions: The lower Toarcian of the Bächental basin. Marine and Petroleum Geology, 120, 104513. doi:10.1016/j.marpetgeo.2020.104513

Entrainment and Dynamics of Ocean‐Derived Impurities Within Europa's Ice Shell

Buffo, J. J., Schmidt, B. E., Huber, C., & Walker, C. C. (2020). Entrainment and Dynamics of Ocean‐Derived Impurities Within Europa's Ice Shell. Journal of Geophysical Research: Planets, 125(10), None. doi:10.1029/2020je006394

Photometrically-corrected global infrared mosaics of Enceladus: New implications for its spectral diversity and geological activity

Robidel, R., Le Mouélic, S., Tobie, G., Massé, M., Seignovert, B., Sotin, C., & Rodriguez, S. (2020). Photometrically-corrected global infrared mosaics of Enceladus: New implications for its spectral diversity and geological activity. Icarus, 349, 113848. doi:10.1016/j.icarus.2020.113848

A modular, easy-to-use microcapillary electrophoresis system with laser-induced fluorescence for quantitative compositional analysis of trace organic molecules

Duca, Z. A., Speller, N. C., Cantrell, T., & Stockton, A. M. (2020). A modular, easy-to-use microcapillary electrophoresis system with laser-induced fluorescence for quantitative compositional analysis of trace organic molecules. Review of Scientific Instruments, 91(10), 104101. doi:10.1063/5.0008734

Impact of wet-dry cycling on the phase behavior and compartmentalization properties of complex coacervates

Fares, H. M., Marras, A. E., Ting, J. M., Tirrell, M. V., & Keating, C. D. (2020). Impact of wet-dry cycling on the phase behavior and compartmentalization properties of complex coacervates. Nature Communications, 11(1), None. doi:10.1038/s41467-020-19184-z

Stress-activated electric currents in icy planetary bodies: H2O2-doped H2O ices

Freund, F., Sornette, J., Stockburger, C., Keller, C. T., Gray, A., & Cruikshank, D. P. (2020). Stress-activated electric currents in icy planetary bodies: H2O2-doped H2O ices. Icarus, None, 114157. doi:10.1016/j.icarus.2020.114157

16S rRNA Gene Diversity in Ancient Gray and Pink Salt from San Simón Salt Mines in Tarija, Bolivia

Pecher, W. T., Martínez, F. L., DasSarma, P., Guzmán, D., & DasSarma, S. (2020). 16S rRNA Gene Diversity in Ancient Gray and Pink Salt from San Simón Salt Mines in Tarija, Bolivia. Microbiology Resource Announcements, 9(41), None. doi:10.1128/mra.00820-20

Methanosarcina acetivorans contains a functional ISC system for iron-sulfur cluster biogenesis

Deere, T. M., Prakash, D., Lessner, F. H., Duin, E. C., & Lessner, D. J. (2020). Methanosarcina acetivorans contains a functional ISC system for iron-sulfur cluster biogenesis. BMC Microbiology, 20(1), None. doi:10.1186/s12866-020-02014-z

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