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 2019Uranium isotope evidence for limited euxinia in mid-Proterozoic oceans

Gilleaudeau, G. J., Romaniello, S. J., Luo, G., Kaufman, A. J., Zhang, F., Klaebe, R. M., … Anbar, A. D. (2019). Uranium isotope evidence for limited euxinia in mid-Proterozoic oceans. Earth and Planetary Science Letters, 521, 150–157. doi:10.1016/j.epsl.2019.06.012

Genome Sequence of Mariprofundus sp. Strain EBB-1, a Novel Marine Autotroph Isolated from an Iron-Sulfur Mineral

Lopez, A., Albino, D., Beraki, S., Broomell, S., Canela, R., Dingmon, T., … Amend, J. P. (2019). Genome Sequence of Mariprofundus sp. Strain EBB-1, a Novel Marine Autotroph Isolated from an Iron-Sulfur Mineral. Microbiology Resource Announcements, 8(39), None. doi:10.1128/mra.00995-19

August 2019Aspartic acid racemization constrains long-term viability and longevity of endospores

Liang, R., Lau, M., Baars, O., Robb, F. T., & Onstott, T. C. (2019). Aspartic acid racemization constrains long-term viability and longevity of endospores. FEMS Microbiology Ecology. doi:10.1093/femsec/fiz132

Rapid classification of TESS planet candidates with convolutional neural networks

Osborn, H. P., Ansdell, M., Ioannou, Y., Sasdelli, M., Angerhausen, D., Caldwell, D., … Smith, J. C. (2019). Rapid classification of TESS planet candidates with convolutional neural networks. Astronomy & Astrophysics. doi:10.1051/0004-6361/201935345

TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). Motivations and protocol

Fauchez, T., Turbet, M., Wolf, E. T., Boutle, I., Way, M. J., Del Genio, A. D., … Domagal Goldman, S. D. (2019). TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). Motivations and protocol. None. doi:10.5194/gmd-2019-166

Mineralogy, petrography, and oxygen and aluminum-magnesium isotope systematics of grossite-bearing refractory inclusions

Krot, A. N., Nagashima, K., Simon, S. B., Ma, C., Connolly, H. C., Huss, G. R., … Bizzarro, M. (2019). Mineralogy, petrography, and oxygen and aluminum-magnesium isotope systematics of grossite-bearing refractory inclusions. Geochemistry, None, 125529. doi:10.1016/j.chemer.2019.08.001

Thermal Infrared Imaging of MWC 758 with the Large Binocular Telescope: Planetary-driven Spiral Arms?

Wagner, K., Stone, J. M., Spalding, E., Apai, D., Dong, R., Ertel, S., … Webster, R. (2019). Thermal Infrared Imaging of MWC 758 with the Large Binocular Telescope: Planetary-driven Spiral Arms? The Astrophysical Journal, 882(1), 20. doi:10.3847/1538-4357/ab32ea

In situ Ion Irradiation and Heating Experiments in the Transmission Electron Microscope: Simulations of Dust Processing in Circumstellar Environments

Haenecour, P., Thompson, M. S., Zega, T. J., Howe, J. Y., & Chen, W-Y. (2019). In situ Ion Irradiation and Heating Experiments in the Transmission Electron Microscope: Simulations of Dust Processing in Circumstellar Environments. Microscopy and Microanalysis, 25(S2), 2454–2455. doi:10.1017/s143192761901300x

Hidden Concepts in the History and Philosophy of Origins-of-Life Studies: a Workshop Report

Mariscal, C., Barahona, A., Aubert-Kato, N., Aydinoglu, A. U., Bartlett, S., Cárdenas, M. L., … James Cleaves, H. (2019). Hidden Concepts in the History and Philosophy of Origins-of-Life Studies: a Workshop Report. Origins of Life and Evolution of Biospheres. doi:10.1007/s11084-019-09580-x

Constraining the Solar System's Debris Disk with In Situ New Horizons Measurements from the Edgeworth–Kuiper Belt

Poppe, A. R., Lisse, C. M., Piquette, M., Zemcov, M., Horányi, M., James, D., … Stern, S. A. (2019). Constraining the Solar System's Debris Disk with In Situ New Horizons Measurements from the Edgeworth–Kuiper Belt. The Astrophysical Journal, 881(1), L12. doi:10.3847/2041-8213/ab322a

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