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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January 2022Testing Self-organized Criticality across the Main Sequence Using Stellar Flares from TESS

Feinstein, A. D., Seligman, D. Z., Günther, M. N., & Adams, F. C. (2022). Testing Self-organized Criticality across the Main Sequence Using Stellar Flares from TESS. The Astrophysical Journal Letters, 925(1), L9. doi:10.3847/2041-8213/ac4b5e

The Scorpion Planet Survey: Wide-orbit Giant Planets Around Young A-type Stars

Wagner, K., Apai, D., Kasper, M., McClure, M., & Robberto, M. (2022). The Scorpion Planet Survey: Wide-orbit Giant Planets Around Young A-type Stars. The Astronomical Journal, 163(2), 80. doi:10.3847/1538-3881/ac409d

An Integrative Analysis of the HD 219134 Planetary System and the Inner solar system: Extending DYNAMITE with Enhanced Orbital Dynamical Stability Criteria

Dietrich, J., Apai, D., & Malhotra, R. (2022). An Integrative Analysis of the HD 219134 Planetary System and the Inner solar system: Extending DYNAMITE with Enhanced Orbital Dynamical Stability Criteria. The Astronomical Journal, 163(2), 88. doi:10.3847/1538-3881/ac4166

A Plausible Prebiotic One‐Pot Synthesis of Orotate and Pyruvate Suggestive of Common Protometabolic Pathways

Clay, A. P., Cooke, R. E., Kumar, R., Yadav, M., Krishnamurthy, R., & Springsteen, G. (2022). A Plausible Prebiotic One‐Pot Synthesis of Orotate and Pyruvate Suggestive of Common Protometabolic Pathways. Angewandte Chemie International Edition, 61(11), None. doi:10.1002/anie.202112572

Depleted carbon isotope compositions observed at Gale crater, Mars

House, C. H., Wong, G. M., Webster, C. R., Flesch, G. J., Franz, H. B., Stern, J. C., … Mahaffy, P. R. (2022). Depleted carbon isotope compositions observed at Gale crater, Mars. Proceedings of the National Academy of Sciences, 119(4), None. doi:10.1073/pnas.2115651119

Organic synthesis associated with serpentinization and carbonation on early Mars

Steele, A., Benning, L. G., Wirth, R., Schreiber, A., Araki, T., McCubbin, F. M., … Rogers, K. (2022). Organic synthesis associated with serpentinization and carbonation on early Mars. Science, 375(6577), 172–177. doi:10.1126/science.abg7905

December 2021Nonstandard RNA/RNA interactions likely enhance folding and stability of segmented ribosomes

Rivas, M., & Fox, G. E. (2021). Nonstandard RNA/RNA interactions likely enhance folding and stability of segmented ribosomes. RNA, 28(3), 340–352. doi:10.1261/rna.079006.121

Planetesimal rings as the cause of the Solar System’s planetary architecture

Izidoro, A., Dasgupta, R., Raymond, S. N., Deienno, R., Bitsch, B., & Isella, A. (2021). Planetesimal rings as the cause of the Solar System’s planetary architecture. Nature Astronomy, 6(3), 357–366. doi:10.1038/s41550-021-01557-z

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

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

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