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 2020Iron Meteorites: Composition, Age, and Origin

Scott, E. R. D. (2020). Iron Meteorites: Composition, Age, and Origin. Oxford Research Encyclopedia of Planetary Science. doi:10.1093/acrefore/9780190647926.013.206

Cryo‐electron microscopy visualization of a large insertion in the 5S ribosomal RNA of the extremely halophilic archaeon Halococcus morrhuae

Tirumalai, M. R., Kaelber, J. T., Park, D. R., Tran, Q., & Fox, G. E. (2020). Cryo‐electron microscopy visualization of a large insertion in the 5S ribosomal RNA of the extremely halophilic archaeon Halococcus morrhuae. FEBS Open Bio, 10(10), 1938–1946. doi:10.1002/2211-5463.12962

Microbial community distribution in variously altered basalts: insights into astrobiology sample site selection

Al, B., E, G., A, S., Cj, R., Nawotniak SE, K., Dss, L., & Slater, G. F. (2020). Microbial community distribution in variously altered basalts: insights into astrobiology sample site selection. Planetary and Space Science, None, 105107. doi:10.1016/j.pss.2020.105107

Carbonyl Sulfide (OCS): Detections in Comets C/2002 T7 (LINEAR), C/2015 ER61 (PanSTARRS), and 21P/Giacobini–Zinner and Stringent Upper Limits in 46P/Wirtanen

Saki, M., Gibb, E. L., Bonev, B. P., Roth, N. X., DiSanti, M. A., Russo, N. D., … Kawakita, H. (2020). Carbonyl Sulfide (OCS): Detections in Comets C/2002 T7 (LINEAR), C/2015 ER61 (PanSTARRS), and 21P/Giacobini–Zinner and Stringent Upper Limits in 46P/Wirtanen. The Astronomical Journal, 160(4), 184. doi:10.3847/1538-3881/aba522

August 2020Metal grains in lunar rocks as indicators of igneous and impact processes

Day, J. M. D. (2020). Metal grains in lunar rocks as indicators of igneous and impact processes. Meteoritics & Planetary Science. doi:10.1111/maps.13544

Sierra Gorda 009: A new member of the metal‐rich G chondrites grouplet

Ivanova, M. A., Lorenz, C. A., Humayun, M., Corrigan, C. M., Ludwig, T., Trieloff, M., … Grokhovsky, V. I. (2020). Sierra Gorda 009: A new member of the metal‐rich G chondrites grouplet. Meteoritics & Planetary Science. doi:10.1111/maps.13546

Heat Production and Tidally Driven Fluid Flow in the Permeable Core of Enceladus

Liao, Y., Nimmo, F., & Neufeld, J. A. (2020). Heat Production and Tidally Driven Fluid Flow in the Permeable Core of Enceladus. Journal of Geophysical Research: Planets, 125(9), None. doi:10.1029/2019je006209

Anoxic photogeochemical oxidation of manganese carbonate yields manganese oxide

Liu, W., Hao, J., Elzinga, E. J., Piotrowiak, P., Nanda, V., Yee, N., & Falkowski, P. G. (2020). Anoxic photogeochemical oxidation of manganese carbonate yields manganese oxide. Proceedings of the National Academy of Sciences, None, 202002175. doi:10.1073/pnas.2002175117

Prebiotic origin of pre‐RNA building blocks in a urea “warm little pond” scenario.

Menor-Salvan, C., Bouza, M., Fialho, D. M., Burcar, B. T., Fernández, F. M., & Hud, N. V. (2020). Prebiotic origin of pre‐RNA building blocks in a urea “warm little pond” scenario.. ChemBioChem. doi:10.1002/cbic.202000510

Complex nanostructures in diamond

Németh, P., McColl, K., Garvie, L. A. J., Salzmann, C. G., Murri, M., & McMillan, P. F. (2020). Complex nanostructures in diamond. Nature Materials. doi:10.1038/s41563-020-0759-8

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