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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December 2021Effect of nickel on the high-pressure phases in FeH

Piet, H., Chizmeshya, A. V. G., Chen, B., Chariton, S., Greenberg, E., Prakapenka, V. B., & Shim, S-H. (2021). Effect of nickel on the high-pressure phases in FeH. Physical Review B, 104(22), None. doi:10.1103/physrevb.104.224106

Net Charges of the Ribosomal Proteins of the S10 and spc Clusters of Halophiles Are Inversely Related to the Degree of Halotolerance

Tirumalai, M. R., Anane-Bediakoh, D., Rajesh, S., & Fox, G. E. (2021). Net Charges of the Ribosomal Proteins of the <i>S10</i> and <i>spc</i> Clusters of Halophiles Are Inversely Related to the Degree of Halotolerance. Microbiology Spectrum, 9(3), None. doi:10.1128/spectrum.01782-21

A simple time-dependent method for calculating spirals: applications to eccentric planets in protoplanetary discs

Zhu, Z., & Zhang, R. M. (2021). A simple time-dependent method for calculating spirals: applications to eccentric planets in protoplanetary discs. Monthly Notices of the Royal Astronomical Society, 510(3), 3986–3999. doi:10.1093/mnras/stab3641

Decreasing extents of Archean serpentinization contributed to the rise of an oxidized atmosphere

Leong, J. A. M., Ely, T., & Shock, E. L. (2021). Decreasing extents of Archean serpentinization contributed to the rise of an oxidized atmosphere. Nature Communications, 12(1), None. doi:10.1038/s41467-021-27589-7

Orbital Dynamics and the Evolution of Planetary Habitability in the AU Mic System

Kane, S. R., Foley, B. J., Hill, M. L., Unterborn, C. T., Barclay, T., Cale, B., … Wittrock, J. M. (2021). Orbital Dynamics and the Evolution of Planetary Habitability in the AU Mic System. The Astronomical Journal, 163(1), 20. doi:10.3847/1538-3881/ac366b

EXPRES. III. Revealing the Stellar Activity Radial Velocity Signature of ϵ Eridani with Photometry and Interferometry

Roettenbacher, R. M., Cabot, S. H. C., Fischer, D. A., Monnier, J. D., Henry, G. W., Harmon, R. O., … Levine, S. (2021). EXPRES. III. Revealing the Stellar Activity Radial Velocity Signature of ϵ Eridani with Photometry and Interferometry. The Astronomical Journal, 163(1), 19. doi:10.3847/1538-3881/ac3235

Modeling the formation of Menrva impact crater on Titan: Implications for habitability

Crósta, A. P., Silber, E. A., Lopes, R. M. C., Johnson, B. C., Bjonnes, E., Malaska, M. J., … Soderblom, J. M. (2021). Modeling the formation of Menrva impact crater on Titan: Implications for habitability. Icarus, 370, 114679. doi:10.1016/j.icarus.2021.114679

Preliminary study on thiamethoxam degrading bacteria isolated from corn plantation

Vigneswari, S., Sukarman, M. H., & Ariffin, F. (2021). Preliminary study on thiamethoxam degrading bacteria isolated from corn plantation. Malaysian Journal of Microbiology. doi:10.21161/mjm.211186

A new and improved protocol for extraction of intact polar membrane lipids from archaea

Evans, T. W., Elling, F. J., Li, Y., Pearson, A., & Summons, R. E. (2021). A new and improved protocol for extraction of intact polar membrane lipids from archaea. Organic Geochemistry, None, 104353. doi:10.1016/j.orggeochem.2021.104353

Elioraea tepida, sp. nov., a Moderately Thermophilic Aerobic Anoxygenic Phototrophic Bacterium Isolated from the Mat Community of an Alkaline Siliceous Hot Spring in Yellowstone National Park, WY, USA

Saini, M. K., Yoshida, S., Sebastian, A., Hara, E., Tamaki, H., Soulier, N. T., … Bryant, D. A. (2021). Elioraea tepida, sp. nov., a Moderately Thermophilic Aerobic Anoxygenic Phototrophic Bacterium Isolated from the Mat Community of an Alkaline Siliceous Hot Spring in Yellowstone National Park, WY, USA. Microorganisms, 10(1), 80. doi:10.3390/microorganisms10010080

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