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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February 2024The H-poor nature of incompletely melted planetesimals: The view from acapulcoites and lodranites

Peterson, L. D., Newcombe, M. E., Alexander, C. M.O'D., Wang, J., Nielsen, S. G. (2024) The H-poor nature of incompletely melted planetesimals: The view from acapulcoites and lodranites. Geochimica et Cosmochimica Acta. doi: 10.1016/j.gca.2024.02.002

Eccentricity Distribution beyond the Snow Line and Implications for Planetary Habitability

R. Kane, S. R., Wittenmyer, R. A. (2024). Eccentricity Distribution beyond the Snow Line and Implications for Planetary Habitability. The Astrophysical Journal Letters, 962(1).. doi: 10.3847/2041-8213/ad2463

January 2024Re‐Assessing the Need for Apatite‐ and Dolomite‐Specific Calibrations of the Carbonate Clumped Isotope Thermometer

Anderson, N. T., Bonifacie, M., Jost, A. B., Siebert, J., Bontognali, T., Horita, J., … Bergmann, K. D. (2024). Re‐Assessing the Need for Apatite‐ and Dolomite‐Specific Calibrations of the Carbonate Clumped Isotope Thermometer. Geochemistry, Geophysics, Geosystems, 25(1), None. doi:10.1029/2023gc011049

Metal-binding amino acid ligands commonly found in metalloproteins differentially fractionate copper isotopes

Selden, C. R., Schilling, K., Godfrey, L., & Yee, N. (2024). Metal-binding amino acid ligands commonly found in metalloproteins differentially fractionate copper isotopes. Scientific Reports, 14(1), None. doi:10.1038/s41598-024-52091-7

Global oceanic oxygenation controlled by the Southern Ocean through the last deglaciation

Wang, Y., Costa, K. M., Lu, W., Hines, S. K. V., & Nielsen, S. G. (2024). Global oceanic oxygenation controlled by the Southern Ocean through the last deglaciation. Science Advances, 10(3), None. doi:10.1126/sciadv.adk2506

Energy yields for acetylenotrophy on Enceladus and Titan

Yanez, M. D., LaRowe, D. E., Cable, M. L., & Amend, J. P. (2024). Energy yields for acetylenotrophy on Enceladus and Titan. Icarus, None, 115969. doi:10.1016/j.icarus.2024.115969

Empirically Constraining the Spectra of Stellar Surface Features Using Time-resolved Spectroscopy

Berardo, D., De Wit, J., & Rackham, B. V. (2024). Empirically Constraining the Spectra of Stellar Surface Features Using Time-resolved Spectroscopy. The Astrophysical Journal Letters, 961(1), L18. doi:10.3847/2041-8213/ad1b5b

Seasonal variation in the biological succession of marine diatoms over 316L stainless steel in a coastal environment of Chile

Daille, L. K., Spear, J. R., Beech, I., Vargas, I. T., & Iglesia, R. D. l. (2024). Seasonal variation in the biological succession of marine diatoms over 316L stainless steel in a coastal environment of Chile. Biofouling, None, 1–13. doi:10.1080/08927014.2023.2300150

TESS Hunt for Young and Maturing Exoplanets (THYME). XI. An Earth-sized Planet Orbiting a Nearby, Solar-like Host in the 400 Myr Ursa Major Moving Group

Capistrant, B. K., Soares-Furtado, M., Vanderburg, A., Jankowski, A., Mann, A. W., Ross, G., … Ziegler, C. (2024). TESS Hunt for Young and Maturing Exoplanets (THYME). XI. An Earth-sized Planet Orbiting a Nearby, Solar-like Host in the 400 Myr Ursa Major Moving Group. The Astronomical Journal, 167(2), 54. doi:10.3847/1538-3881/ad1039

Active microbiota persist in dry permafrost and active layer from elephant head, Antarctica

Wood, C., Bruinink, A., Trembath-Reichert, E., Wilhelm, M. B., Vidal, C., Balaban, E., … Goordial, J. (2024). Active microbiota persist in dry permafrost and active layer from elephant head, Antarctica. ISME Communications. doi:10.1093/ismeco/ycad002

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