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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December 2020Development of high technology readiness level, all-reflective spatial heterodyne spectrometers for high resolving power/etendue remote sensing of extended emissions in the NUV to EUV

Harris, W. M. (2020). Development of high technology readiness level, all-reflective spatial heterodyne spectrometers for high resolving power/etendue remote sensing of extended emissions in the NUV to EUV. Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray. doi:10.1117/12.2563045

The proto-Nucleic Acid Builder: a software tool for constructing nucleic acid analogs

Alenaizan, A., Barnett, J. L., Hud, N. V., Sherrill, C. D., & Petrov, A. S. (2020). The proto-Nucleic Acid Builder: a software tool for constructing nucleic acid analogs. Nucleic Acids Research. doi:10.1093/nar/gkaa1159

Extraterrestrial hexamethylenetetramine in meteorites—a precursor of prebiotic chemistry in the inner solar system

Oba, Y., Takano, Y., Naraoka, H., Furukawa, Y., Glavin, D. P., Dworkin, J. P., & Tachibana, S. (2020). Extraterrestrial hexamethylenetetramine in meteorites—a precursor of prebiotic chemistry in the inner solar system. Nature Communications, 11(1), None. doi:10.1038/s41467-020-20038-x

Influence of Neptune’s Migration Parameters on the Inclination Distribution of Kuiper Belt Objects (KBOs)

Nesvorný, D. (2020). Influence of Neptune’s Migration Parameters on the Inclination Distribution of Kuiper Belt Objects (KBOs). Research Notes of the AAS, 4(12), 212. doi:10.3847/2515-5172/abceb0

Conodont calcium isotopic evidence for multiple shelf acidification events during the early Triassic

Song, H., Song, H., Tong, J., Gordon, G. W., Wignall, P. B., Tian, L., … Anbar, A. D. (2020). Conodont calcium isotopic evidence for multiple shelf acidification events during the early Triassic. Chemical Geology, None, 120038. doi:10.1016/j.chemgeo.2020.120038

November 2020Orbital evolution of potentially habitable planets of tidally interacting binary stars

Graham, D., Fleming, D., & Barnes, R. (2020). Orbital evolution of potentially habitable planets of tidally interacting binary stars. Astronomy & Astrophysics. doi:10.1051/0004-6361/202038940

Europa Clipper Planetary Protection Probabilistic Risk Assessment Summary

McCoy, K. J., DiNicola, M., Everline, C., Burgoyne, H., Reinholtz, K., & Clement, B. (2020). Europa Clipper Planetary Protection Probabilistic Risk Assessment Summary. Planetary and Space Science, None, 105139. doi:10.1016/j.pss.2020.105139

Anoxic iron and sulphur cycling in the cGENIE.muffin Earth system model (v0.9.16)

Van De Velde, S. J., Hülse, D., Reinhard, C. T., & Ridgwell, A. (2020). Anoxic iron and sulphur cycling in the cGENIE.muffin Earth system model (v0.9.16). None. doi:10.5194/gmd-2020-312

In Situ Growth of Halophilic Bacteria in Saline Fracture Fluids from 2.4 km below Surface in the Deep Canadian Shield

Wilpiszeski, R. L., Sherwood Lollar, B., Warr, O., & House, C. H. (2020). In Situ Growth of Halophilic Bacteria in Saline Fracture Fluids from 2.4 km below Surface in the Deep Canadian Shield. Life, 10(12), 307. doi:10.3390/life10120307

A new hydrous iron oxide phase stable at mid-mantle pressures

Chen, H., Xie, S-Y., Ko, B., Kim, T., Nisr, C., Prakapenka, V., … Shim, S-H. (2020). A new hydrous iron oxide phase stable at mid-mantle pressures. Earth and Planetary Science Letters, 550, 116551. doi:10.1016/j.epsl.2020.116551

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