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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January 2021Quantification of endospores in ancient permafrost using time-resolved terbium luminescence

Lalla, S. J., Kaneshige, K. R., Miller, D. R., Mackelprang, R., & Mogul, R. (2021). Quantification of endospores in ancient permafrost using time-resolved terbium luminescence. Analytical Biochemistry, 612, 113957. doi:10.1016/j.ab.2020.113957

November 2020A 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

Laboratory predictions for the night-side surface ice glow of Europa

Gudipati, M. S., Henderson, B. L., & Bateman, F. B. (2020). Laboratory predictions for the night-side surface ice glow of Europa. Nature Astronomy. doi:10.1038/s41550-020-01248-1

An assessment of iron isotope fractionation during core formation

Shahar, A., & Young, E. D. (2020). An assessment of iron isotope fractionation during core formation. Chemical Geology, 554, 119800. doi:10.1016/j.chemgeo.2020.119800

A Fast, Two-dimensional Gaussian Process Method Based on Celerite: Applications to Transiting Exoplanet Discovery and Characterization

Gordon, T. A., Agol, E., & Foreman-Mackey, D. (2020). A Fast, Two-dimensional Gaussian Process Method Based on Celerite: Applications to Transiting Exoplanet Discovery and Characterization. The Astronomical Journal, 160(5), 240. doi:10.3847/1538-3881/abbc16

Impact melting upon basin formation on early Mars

Manske, L., Marchi, S., Plesa, A-C., & Wünnemann, K. (2020). Impact melting upon basin formation on early Mars. Icarus, None, 114128. doi:10.1016/j.icarus.2020.114128

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

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