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 2022AbGradCon 2021: lessons in digital meetings, international collaboration, and interdisciplinarity in astrobiology

Jia, T. Z., Johnson-Finn, K. N., Alian, O. M., Bonati, I., Fujishima, K., Grefenstette, N., … Smith, H. B. (2022). AbGradCon 2021: lessons in digital meetings, international collaboration, and interdisciplinarity in astrobiology. International Journal of Astrobiology, None, 1–27. doi:10.1017/s1473550422000258

How does salinity shape ocean circulation and ice geometry on Enceladus and other icy satellites?

Kang, W., Mittal, T., Bire, S., Campin, J-M., & Marshall, J. (2022). How does salinity shape ocean circulation and ice geometry on Enceladus and other icy satellites? Science Advances, 8(29), None. doi:10.1126/sciadv.abm4665

Isotope velocimetry: Experimental and theoretical demonstration of the potential importance of gas flow for isotope fractionation during evaporation of protoplanetary material

Young, E. D., Macris, C. A., Tang, H., Hogan, A. A., & Shollenberger, Q. R. (2022). Isotope velocimetry: Experimental and theoretical demonstration of the potential importance of gas flow for isotope fractionation during evaporation of protoplanetary material. Earth and Planetary Science Letters, 589, 117575. doi:10.1016/j.epsl.2022.117575

June 2022Catalytic Synthesis of Polyribonucleic Acid on Prebiotic Rock Glasses

Jerome, C. A., Kim, H-J., Mojzsis, S. J., Benner, S. A., & Biondi, E. (2022). Catalytic Synthesis of Polyribonucleic Acid on Prebiotic Rock Glasses. Astrobiology, 22(6), 629–636. doi:10.1089/ast.2022.0027

Biofinder detects biological remains in Green River fish fossils from Eocene epoch at video speed

Misra, A. K., Rowley, S. J., Zhou, J., Acosta-Maeda, T. E., Dasilveira, L., Ravizza, G., … McKay, C. P. (2022). Biofinder detects biological remains in Green River fish fossils from Eocene epoch at video speed. Scientific Reports, 12(1), None. doi:10.1038/s41598-022-14410-8

Rover-mounted Hydrated Mineral Detector for Mars Exploration: A Preliminary Report

Sam Kim, S., Ng, E., Oh, J., Rahmat-Samii, Y., Cai, Y., & Paige, D. (2022). Rover-mounted Hydrated Mineral Detector for Mars Exploration: A Preliminary Report. The Planetary Science Journal, 3(6), 144. doi:10.3847/psj/ac6e5f

Microbial Protocols for Spacecraft: 1. Effects of Surface Texture, Low Pressure, and UV Irradiation on Recovery of Microorganisms from Surfaces

Schuerger, A. C. (2022). Microbial Protocols for Spacecraft: 1. Effects of Surface Texture, Low Pressure, and UV Irradiation on Recovery of Microorganisms from Surfaces. Astrobiology. doi:10.1089/ast.2021.0141

Mineral Element Insiders and Outliers Play Crucial Roles in Biological Evolution

Moore, E. K., Martinez, D. L., Srivastava, N., Morrison, S. M., & Spielman, S. J. (2022). Mineral Element Insiders and Outliers Play Crucial Roles in Biological Evolution. Life, 12(7), 951. doi:10.3390/life12070951

Double Asteroid Redirection Test (DART): Structural and Dynamic Interactions between Asteroidal Elements of Binary Asteroid (65803) Didymos

Hirabayashi, M., Ferrari, F., Jutzi, M., Nakano, R., Raducan, S. D., Sánchez, P., … Rivkin, A. R. (2022). Double Asteroid Redirection Test (DART): Structural and Dynamic Interactions between Asteroidal Elements of Binary Asteroid (65803) Didymos. The Planetary Science Journal, 3(6), 140. doi:10.3847/psj/ac6eff

Defining and Characterizing Habitable Environments in Ocean World Systems

Glass, J., , ., Dierssen, H., Glein, C., Schmidt, B., & Winebrenner, D. (2022). Defining and Characterizing Habitable Environments in Ocean World Systems. Oceanography. doi:10.5670/oceanog.2021.414

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