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 2022Circumpolar ocean stability on Mars 3 Gy ago

Schmidt, F., Way, M. J., Costard, F., Bouley, S., Séjourné, A., & Aleinov, I. (2022). Circumpolar ocean stability on Mars 3 Gy ago. Proceedings of the National Academy of Sciences, 119(4), e2112930118. doi:10.1073/pnas.2112930118

The Ice Coverage of Earth-like Planets Orbiting FGK Stars

Wilhelm, C., Barnes, R., Deitrick, R., & Mellman, R. (2022). The Ice Coverage of Earth-like Planets Orbiting FGK Stars. The Planetary Science Journal, 3(1), 13. doi:10.3847/psj/ac3b61

High-contrast Imaging with Fizeau Interferometry: the Case of Altair*

Spalding, E., Morzinski, K. M., Hinz, P., Males, J., Meyer, M., Quanz, S. P., … Power, J. (2022). High-contrast Imaging with Fizeau Interferometry: the Case of Altair*. The Astronomical Journal, 163(2), 62. doi:10.3847/1538-3881/ac3b5b

Strike-slip faulting on Titan: Modeling tidal stresses and shear failure conditions due to pore fluid interactions

Burkhard, L. M. L., Smith-Konter, B. R., Fagents, S. A., Cameron, M. E., Collins, G. C., & Pappalardo, R. T. (2022). Strike-slip faulting on Titan: Modeling tidal stresses and shear failure conditions due to pore fluid interactions. Icarus, 371, 114700. doi:10.1016/j.icarus.2021.114700

New evidence for a long Rhaetian from a Panthalassan succession (Wrangell Mountains, Alaska) and regional differences in carbon cycle perturbations at the Triassic-Jurassic transition

Caruthers, A. H., Marroquín, S. M., Gröcke, D. R., Golding, M. L., Aberhan, M., Them, T. R., … Gill, B. C. (2022). New evidence for a long Rhaetian from a Panthalassan succession (Wrangell Mountains, Alaska) and regional differences in carbon cycle perturbations at the Triassic-Jurassic transition. Earth and Planetary Science Letters, 577, 117262. doi:10.1016/j.epsl.2021.117262

Rates and Products of Iron Oxidation by Chlorate at Low Temperatures (0 to 25 °C) and Implications for Mars Geochemistry

Mitra, K., Moreland, E. L., Knight, A. L., & Catalano, J. G. (2022). Rates and Products of Iron Oxidation by Chlorate at Low Temperatures (0 to 25 °C) and Implications for Mars Geochemistry. ACS Earth and Space Chemistry. doi:10.1021/acsearthspacechem.1c00379

Oxidative Phosphorus Chemistry Perturbed by Minerals

Omran, A., Abbatiello, J., Feng, T., & Pasek, M. A. (2022). Oxidative Phosphorus Chemistry Perturbed by Minerals. Life, 12(2), 198. doi:10.3390/life12020198

Allochromatium tepidum, sp. nov., a hot spring species of purple sulfur bacteria

Madigan, M. T., Absher, J. N., Mayers, J. E., Asao, M., Jung, D. O., Bender, K. S., … Matthew Sattley, W. (2022). Allochromatium tepidum, sp. nov., a hot spring species of purple sulfur bacteria. Archives of Microbiology, 204(1), None. doi:10.1007/s00203-021-02715-7

Co-accretion + Giant Impact Origin of the Uranus System: Post-impact Evolution

Salmon, J., & Canup, R. M. (2022). Co-accretion + Giant Impact Origin of the Uranus System: Post-impact Evolution. The Astrophysical Journal, 924(1), 6. doi:10.3847/1538-4357/ac300e

Science Goals and Mission Architecture of the Europa Lander Mission Concept

Hand, K. P., Phillips, C. B., Murray, A., Garvin, J. B., Maize, E. H., Gibbs, R. G., … Wasiolek, M. (2022). Science Goals and Mission Architecture of the Europa Lander Mission Concept. The Planetary Science Journal, 3(1), 22. doi:10.3847/psj/ac4493

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