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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October 2023Formation of Sodium-bearing species in the interstellar medium

Acharyya, K., Woon, D. E., & Herbst, E. (2023). Formation of Sodium-bearing species in the interstellar medium. Monthly Notices of the Royal Astronomical Society. doi:10.1093/mnras/stad3262

Lunar ejecta origin of near-Earth asteroid Kamo’oalewa is compatible with rare orbital pathways

Castro-Cisneros, J. D., Malhotra, R., & Rosengren, A. J. (2023). Lunar ejecta origin of near-Earth asteroid Kamo’oalewa is compatible with rare orbital pathways. Communications Earth & Environment, 4(1), None. doi:10.1038/s43247-023-01031-w

Formation of hydroxide anions in amorphous astrophysical ices and recombination with protons: a quantum chemical study

Woon, D. E. (2023). Formation of hydroxide anions in amorphous astrophysical ices and recombination with protons: a quantum chemical study. Monthly Notices of the Royal Astronomical Society. doi:10.1093/mnras/stad3242

GJ 357 d: Potentially Habitable World or Agent of Chaos?

Kane, S. R., & Fetherolf, T. (2023). GJ 357 d: Potentially Habitable World or Agent of Chaos? The Astronomical Journal, 166(5), 205. doi:10.3847/1538-3881/acff5a

Direct Simulation Monte Carlo Modeling of Ammonia in Comet C/2014 Q2 (Lovejoy)

Kawakita, H., Dello Russo, N., Vervack, R. J., DiSanti, M. A., Bonev, B. P., Kobayashi, H., … Shinnaka, Y. (2023). Direct Simulation Monte Carlo Modeling of Ammonia in Comet C/2014 Q2 (Lovejoy). The Astronomical Journal, 166(5), 207. doi:10.3847/1538-3881/acfee7

Nitrate Reactivity in Iron (Oxy)hydroxide Systems: Effect of pH, Iron Redox State, and Phosphate

Martinez, E., Rodriguez, L. E., Sheppard, R. Y., Zhang, Y., Cid, C. A., Khodayari, A., & Barge, L. M. (2023). Nitrate Reactivity in Iron (Oxy)hydroxide Systems: Effect of pH, Iron Redox State, and Phosphate. ACS Earth and Space Chemistry. doi:10.1021/acsearthspacechem.3c00218

Solid-State Single-Molecule Sensing with the Electronic Life-Detection Instrument for Enceladus/Europa (ELIE)

Carr, C. E., Ramírez-Colón, J. L., Duzdevich, D., Lee, S., Taniguchi, M., Ohshiro, T., … Zuber, M. T. (2023). Solid-State Single-Molecule Sensing with the Electronic Life-Detection Instrument for Enceladus/Europa (ELIE). Astrobiology, 23(10), 1056–1070. doi:10.1089/ast.2022.0119

Lipid Biosignatures From SO4-Rich Hypersaline Lakes of the Cariboo Plateau

Nichols, F., Pontefract, A., Dion-Kirschner, H., Masterson, A. L., Osburn, M. R. (2023). Lipid Biosignatures From SO4-Rich Hypersaline Lakes of the Cariboo Plateau. JGR Biogeosciences, 128, 10. doi: 10.1029/2023JG007480

The distribution of CO2 on Europa indicates an internal source of carbon

Trumbo, S. K., Brown, M. E. (2023). The distribution of CO2 on Europa indicates an internal source of carbon. Science, 381(6664), 1308-1311. doi: 10.1126/science.adg4155

Endogenous CO2 ice mixture on the surface of Europa and no detection of plume activity

Villanueva, G. L., Hammel, H. B., Milam, S. N., Kofman, V., Hand, K. P., Paganini, L., Stansberry, J., Liuzzi, G. (2023). Endogenous CO2 ice mixture on the surface of Europa and no detection of plume activity. Science, 381(6664), 1305-1308. doi: 10.1126/science.adg4270

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