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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December 2022Surface‐To‐Ocean Exchange by the Sinking of Impact Generated Melt Chambers on Europa

Carnahan, E., Vance, S. D., Cox, R., & Hesse, M. A. (2022). Surface‐To‐Ocean Exchange by the Sinking of Impact Generated Melt Chambers on Europa. Geophysical Research Letters, 49(24), None. doi:10.1029/2022gl100287

Evidence for the volatile-rich composition of a 1.5-Earth-radius planet

Piaulet, C., Benneke, B., Almenara, J. M., Dragomir, D., Knutson, H. A., Thorngren, D., … Wong, I. (2022). Evidence for the volatile-rich composition of a 1.5-Earth-radius planet. Nature Astronomy. doi:10.1038/s41550-022-01835-4

Co‐Creating Ethical Practices and Approaches for Fieldwork

Ryan‐Davis, J., & Scalice, D. (2022). Co‐Creating Ethical Practices and Approaches for Fieldwork. AGU Advances, 3(6), None. doi:10.1029/2022av000762

November 2022Formation Waters Delineate Diverse Hydrogeologic Conditions at a Plate Scale: Eastern Flank of the Juan de Fuca Ridge

Wheat, C. G., Mottl, M. J., Fisher, A. T., & Hulme, S. (2022). Formation Waters Delineate Diverse Hydrogeologic Conditions at a Plate Scale: Eastern Flank of the Juan de Fuca Ridge. Geochemistry, Geophysics, Geosystems, 23(11), None. doi:10.1029/2022gc010665

Cryolava Dome growth resulting from active eruptions on Jupiter's moon Europa

Quick, L. C., Fagents, S. A., Núñez, K. A., Wilk, K. A., Beyer, R. A., Beddingfield, C. B., … Hurford, T. A. (2022). Cryolava Dome growth resulting from active eruptions on Jupiter's moon Europa. Icarus, 387, 115185. doi:10.1016/j.icarus.2022.115185

The power of paired proximity science observations: Co-located data from SHERLOC and PIXL on Mars

Razzell Hollis, J., Moore, K. R., Sharma, S., Beegle, L., Grotzinger, J. P., Allwood, A., … Yanchilina, A. (2022). The power of paired proximity science observations: Co-located data from SHERLOC and PIXL on Mars. Icarus, 387, 115179. doi:10.1016/j.icarus.2022.115179

Brine Volume Fraction as a Habitability Metric for Europa's Ice Shell

Wolfenbarger, N. S., Fox‐Powell, M. G., Buffo, J. J., Soderlund, K. M., & Blankenship, D. D. (2022). Brine Volume Fraction as a Habitability Metric for Europa's Ice Shell. Geophysical Research Letters, 49(22), None. doi:10.1029/2022gl100586

Globally‐distributed microbial eukaryotes exhibit endemism at deep‐sea hydrothermal vents

Hu, S. K., Smith, A. R., Anderson, R. E., Sylva, S. P., Setzer, M., Steadmon, M., … Huber, J. A. (2022). Globally‐distributed microbial eukaryotes exhibit endemism at deep‐sea hydrothermal vents. Molecular Ecology. doi:10.1111/mec.16745

October 2022Experimental serpentinization of iron-rich olivine (hortonolite): Implications for hydrogen generation and secondary mineralization on Mars and icy moons

McCollom, T. M., Klein, F., Moskowitz, B., & Solheid, P. (2022). Experimental serpentinization of iron-rich olivine (hortonolite): Implications for hydrogen generation and secondary mineralization on Mars and icy moons. Geochimica et Cosmochimica Acta, 335, 98–110. doi:10.1016/j.gca.2022.08.025

Air–Sea Interactions on Titan: Effect of Radiative Transfer on the Lake Evaporation and Atmospheric Circulation

Chatain, A., Rafkin, S. C. R., Soto, A., Hueso, R., & Spiga, A. (2022). Air–Sea Interactions on Titan: Effect of Radiative Transfer on the Lake Evaporation and Atmospheric Circulation. The Planetary Science Journal, 3(10), 232. doi:10.3847/psj/ac8d0b

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