NASA Astrobiology

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A volcanically active planet is shown in closeup at the left side of the image with glowing eruptions and lines of lava on the surface. To the right and in the distance is a faint blue glowing ball representing the more massive planet in the system.

Sixteen frames from Voyager 1's flyby of Jupiter in 1979 were merged to create this image. Jupiter's Great Red Spot is visible in the center. Jupiter's moon Europa can be seen in the foreground at the bottom left of the image.

The frame is a horizontal rainbow of color on a grid. Shadows of molecules can be seen through the light as well as the jagged peaks and troughs of spectral lines.

Fizzy Super Earths and Lava Worlds“Fizzy Super-Earths: Impacts of Magma Composition on the Bulk Density and Structure of Lava Worlds.” in The Astrophysical Journal.01/03

Identifying Hydrothermal Activity on Icy Ocean Worlds“Ethene-ethanol ratios as potential indicators of hydrothermal activity at Enceladus, Europa, and other icy ocean worlds.” In Icarus.02/03

NASA Raman Spectroscopic Database"The NASA Raman spectroscopic database: Ramdb version 1.00.” In Icarus.03/03

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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

Evaluating Biosignatures for Life Detection

Pohorille, A., & Sokolowska, J. (2020). Evaluating Biosignatures for Life Detection. Astrobiology, 20(10), 1236–1250. doi:10.1089/ast.2019.2151

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

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