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 2024Laboratory characterization of hydrothermally processed oligopeptides in ice grains emitted by Enceladus and Europa

Khawaja, N., Hortal Sánchez, L., O’Sullivan, T. R., Bloema, J., Napoleoni, M., Klenner, F., … Postberg, F. (2024). Laboratory characterization of hydrothermally processed oligopeptides in ice grains emitted by Enceladus and Europa. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 382(2273), None. doi:10.1098/rsta.2023.0201

Increasing the Usability and Accessibility of Voyager 2 Images of Triton

Bland, M. T., Martin, E. S., & Patthoff, A. (2024). Increasing the Usability and Accessibility of Voyager 2 Images of Triton. The Planetary Science Journal, 5(5), 112. doi:10.3847/psj/ad33ca

Accretion and Uneven Depletion of the Main Asteroid Belt

Deienno, R., Nesvorný, D., Clement, M. S., Bottke, W. F., Izidoro, A., & Walsh, K. J. (2024). Accretion and Uneven Depletion of the Main Asteroid Belt. The Planetary Science Journal, 5(5), 110. doi:10.3847/psj/ad3a68

Thermodynamic property estimations for aqueous primary, secondary, and tertiary alkylamines, benzylamines, and their corresponding aminiums across temperature and pressure are validated by measurements from experiments

Robinson, K. J., Seewald, J. S., Sylva, S. P., Fecteau, K. M., & Shock, E. L. (2024). Thermodynamic property estimations for aqueous primary, secondary, and tertiary alkylamines, benzylamines, and their corresponding aminiums across temperature and pressure are validated by measurements from experiments. Geochimica et Cosmochimica Acta, 372, 62–80. doi:10.1016/j.gca.2024.03.013

A Spectral Method to Compute the Tides of Laterally Heterogeneous Bodies

Rovira-Navarro, M., Matsuyama, I., & Berne, A. (2024). A Spectral Method to Compute the Tides of Laterally Heterogeneous Bodies. The Planetary Science Journal, 5(5), 129. doi:10.3847/psj/ad381f

Crash Chronicles: Relative contribution from comets and carbonaceous asteroids to Earth’s volatile budget in the context of an Early Instability

Joiret, S., Raymond, S. N., Avice, G., & Clement, M. S. (2024). Crash Chronicles: Relative contribution from comets and carbonaceous asteroids to Earth’s volatile budget in the context of an Early Instability. Icarus, 414, 116032. doi:10.1016/j.icarus.2024.116032

Sublimation and infrared spectral properties of ammonium cyanide

Gerakines, P. A., Yarnall, Y. Y., & Hudson, R. L. (2024). Sublimation and infrared spectral properties of ammonium cyanide. Icarus, 413, 116007. doi:10.1016/j.icarus.2024.116007

Co‐evolution of early Earth environments and microbial life

Lyons, T. W., Tino, C. J., Fournier, G. P., Anderson, R. E., Leavitt, W. D., Konhauser, K. O., & Stüeken, E. E. (2024). Co‐evolution of early Earth environments and microbial life. Nature Reviews Microbiology. doi:10.1038/s41579-024-01044-y

Report of the 6th (Virtual) Meeting on the Planetary Protection Knowledge Gaps for Human Missions to Mars on June 1–2, 2022

Spry, J. A., Siegel, B., Kminek, G., Baker, A., Beltran, E., Courtney, M., … Rettberg, P. (2024). Report of the 6th (Virtual) Meeting on the Planetary Protection Knowledge Gaps for Human Missions to Mars on June 1–2, 2022. Life Sciences in Space Research, 41, 158–165. doi:10.1016/j.lssr.2024.02.001

MerCat2: a versatile k-mer counter and diversity estimator for database-independent property analysis obtained from omics data

Figueroa, J. L., III, Redinbo, A., Panyala, A., Colby, S., Friesen, M. L., Tiemann, L. White, R. A., III (2024) MerCat2: a versatile k-mer counter and diversity estimator for database-independent property analysis obtained from omics data. Bioinformatics Advances, 4(1). doi: 10.1093/bioadv/vbae061

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