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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July 2023Modeled energetics of bacterial communities in ancient subzero brines

Kanaan, G., Hoehler, T. M., Iwahana, G., & Deming, J. W. (2023). Modeled energetics of bacterial communities in ancient subzero brines. Frontiers in Microbiology, 14, None. doi:10.3389/fmicb.2023.1206641

Effect of Concentration, Cooling, and Warming Rates on Glass Transition Temperatures for NaClO4, Ca(ClO4)2, and Mg(ClO4)2 Brines with Relevance to Mars and Other Cold Bodies

Bravenec, A.D., Catling, D.C. (2023). Effect of Concentration, Cooling, and Warming Rates on Glass Transition Temperatures for NaClO4, Ca(ClO4)2, and Mg(ClO4)2 Brines with Relevance to Mars and Other Cold Bodies. ACS Earth and Space Chemistry. doi: 10.1021/acsearthspacechem.3c00090

Mastodon over Mammon: towards publicly owned scholarly knowledge

Brembs, B., Lenardic, A., Murray-Rust, P., Chan, L., & Irawan, D. E. (2023). Mastodon over Mammon: towards publicly owned scholarly knowledge. Royal Society Open Science, 10(7), None. doi:10.1098/rsos.230207

Communicating astrobiology in words not numbers and with facts not fiction

Lenardic, A., Seales, J., Moore, W. B., & Mark Jellinek, A. (2023). Communicating astrobiology in words not numbers and with facts not fiction. Nature Astronomy, 7(9), 1009–1009. doi:10.1038/s41550-023-02031-8

June 2023Detection of Short Peptides as Putative Biosignatures of Psychrophiles via Laser Desorption Mass Spectrometry

Ni, Z., Arevalo, R., Bardyn, A., Willhite, L., Ray, S., Southard, A., … Nunn, B. L. (2023). Detection of Short Peptides as Putative Biosignatures of Psychrophiles via Laser Desorption Mass Spectrometry. Astrobiology, 23(6), 657–669. doi:10.1089/ast.2022.0138

No thick carbon dioxide atmosphere on the rocky exoplanet TRAPPIST-1 c

Zieba, S., Kreidberg, L., Ducrot, E., Gillon, M., Morley, C., Schaefer, L., … Suissa, G. (2023). No thick carbon dioxide atmosphere on the rocky exoplanet TRAPPIST-1 c. Nature. doi:10.1038/s41586-023-06232-z

JWST molecular mapping and characterization of Enceladus’ water plume feeding its torus

Villanueva, G. L., Hammel, H. B., Milam, S. N., Kofman, V., Faggi, S., Glein, C. R., … Denny, K. (2023). JWST molecular mapping and characterization of Enceladus’ water plume feeding its torus. Nature Astronomy. doi:10.1038/s41550-023-02009-6

Hydrothermal fluid activity on asteroid Itokawa

Che, S., & Zega, T. J. (2023). Hydrothermal fluid activity on asteroid Itokawa. Nature Astronomy. doi:10.1038/s41550-023-02012-x

Spitzer IRS Observations of Titan as a Precursor to JWST MIRI Observations

Coy, B. P., Nixon, C. A., Rowe-Gurney, N., Achterberg, R., Lombardo, N. A., Fletcher, L. N., & Irwin, P. (2023). Spitzer IRS Observations of Titan as a Precursor to JWST MIRI Observations. The Planetary Science Journal, 4(6), 114. doi:10.3847/psj/acd10f

Mechanical Modification of Chondrule Fine-grained Rims by Dusty Nebular Shocks

Carballido, A., Matthews, L. S., Hanna, R. D., & Hyde, T. W. (2023). Mechanical Modification of Chondrule Fine-grained Rims by Dusty Nebular Shocks. The Planetary Science Journal, 4(6), 113. doi:10.3847/psj/acd758

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