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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May 2023The Rock-Hosted Biosphere

Templeton, A. S., & Caro, T. A. (2023). The Rock-Hosted Biosphere. Annual Review of Earth and Planetary Sciences, 51(1), 493–519. doi:10.1146/annurev-earth-031920-081957

Comprehensive Study of the Chemical Composition and Spatial Outgassing Behavior of Hyperactive Comet 46P/Wirtanen Using Near-IR Spectroscopy during its Historic 2018 Apparition

Khan, Y., Gibb, E. L., Roth, N. X., DiSanti, M. A., Dello Russo, N., Bonev, B. P., … Shou, Y. (2023). Comprehensive Study of the Chemical Composition and Spatial Outgassing Behavior of Hyperactive Comet 46P/Wirtanen Using Near-IR Spectroscopy during its Historic 2018 Apparition. The Astronomical Journal, 165(6), 231. doi:10.3847/1538-3881/acc074

Reversibility controls on extreme methane clumped isotope signatures from anaerobic oxidation of methane

Liu, J., Harris, R. L., Ash, J. L., Ferry, J. G., Krause, S. J. E., Labidi, J., … Young, E. D. (2023). Reversibility controls on extreme methane clumped isotope signatures from anaerobic oxidation of methane. Geochimica et Cosmochimica Acta, 348, 165–186. doi:10.1016/j.gca.2023.02.022

The CRISM investigation in Mars orbit: Overview, history, and delivered data products

Seelos, F. P., Seelos, K. D., Murchie, S. L., Novak, M. A. M., Hash, C. D., Morgan, M. F., … Wolff, M. J. (2023). The CRISM investigation in Mars orbit: Overview, history, and delivered data products. Icarus, None, 115612. doi:10.1016/j.icarus.2023.115612

An examination of protist diversity in serpentinization-hosted ecosystems of the Samail Ophiolite of Oman

Howells, A. E. G., De Martini, F., Gile, G. H., & Shock, E. L. (2023). An examination of protist diversity in serpentinization-hosted ecosystems of the Samail Ophiolite of Oman. Frontiers in Microbiology, 14, None. doi:10.3389/fmicb.2023.1139333

Widespread seafloor anoxia during generation of the Ediacaran Shuram carbon isotope excursion

Ostrander, C. M., Bjerrum, C. J., Ahm, A. C., Stenger, S. R., Bergmann, K. D., El‐Ghali, M. A. K., … Nielsen, S. G. (2023). Widespread seafloor anoxia during generation of the Ediacaran Shuram carbon isotope excursion. Geobiology, 21(5), 556–570. doi:10.1111/gbi.12557

Calcium–aluminum‐rich inclusions in non‐carbonaceous chondrites: Abundances, sizes, and mineralogy

Dunham, E. T., Sheikh, A., Opara, D., Matsuda, N., Liu, M. ‐., & McKeegan, K. D. (2023). Calcium–aluminum‐rich inclusions in non‐carbonaceous chondrites: Abundances, sizes, and mineralogy. Meteoritics & Planetary Science, 58(5), 643–671. doi:10.1111/maps.13975

A High-Eccentricity Warm Jupiter Orbiting TOI-4127

Gupta, A. F., Jackson, J. M., Hébrard, G., Lin, A. S. J., Stassun, K. G., Dong, J., … Youngblood, A. (2023). A High-Eccentricity Warm Jupiter Orbiting TOI-4127. The Astronomical Journal, 165(6), 234. doi:10.3847/1538-3881/accb9b

Large Uncertainties in the Thermodynamics of Phosphorus (III) Oxide (P4O6) Have Significant Implications for Phosphorus Species in Planetary Atmospheres

Bains, W., Pasek, M. A., Ranjan, S., Petkowski, J. J., Omran, A., Seager, S. (2023). Large Uncertainties in the Thermodynamics of Phosphorus (III) Oxide (P4O6) Have Significant Implications for Phosphorus Species in Planetary Atmospheres. ACS Earth Space Chemistry. doi: 10.1021/acsearthspacechem.3c00016

There's More to Life than O2: Simulating the Detectability of a Range of Molecules for Ground-based, High-resolution Spectroscopy of Transiting Terrestrial Exoplanets

Currie, M. H., Meadows, V. S., & Rasmussen, K. C. (2023). There's More to Life than O2: Simulating the Detectability of a Range of Molecules for Ground-based, High-resolution Spectroscopy of Transiting Terrestrial Exoplanets. The Planetary Science Journal, 4, 83. doi: 10.3847/PSJ/accf86

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