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 2022Oxidative 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

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

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

Implications of H2/CO2 disequilibrium for life on Enceladus

Hoehler, T. M. (2022). Implications of H2/CO2 disequilibrium for life on Enceladus. Nature Astronomy, 6(1), 3–4. doi:10.1038/s41550-021-01583-x

Final Approach Navigation to Europa: Setting up for a Successful Landing

Final Approach Navigation to Europa: Setting up for a Successful Landing (2022). None, None(None), None. doi:10.2514/6.2022-2475.vid

Reexamination of 2.5-Ga “whiff” of oxygen interval points to anoxic ocean before GOE

Slotznick, S. P., Johnson, J. E., Rasmussen, B., Raub, T. D., Webb, S. M., Zi, J-W., … Fischer, W. W. (2022). Reexamination of 2.5-Ga “whiff” of oxygen interval points to anoxic ocean before GOE. Science Advances, 8(1), None. doi:10.1126/sciadv.abj7190

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

Across-arc variations in K-isotope ratios in lavas of the Izu arc: Evidence for progressive depletion of the slab in K and similarly mobile elements

Parendo, C. A., Jacobsen, S. B., Kimura, J-I., & Taylor, R. N. (2022). Across-arc variations in K-isotope ratios in lavas of the Izu arc: Evidence for progressive depletion of the slab in K and similarly mobile elements. Earth and Planetary Science Letters, 578, 117291. doi:10.1016/j.epsl.2021.117291

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