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 2022Long-term tidal evolution of the TRAPPIST-1 system

Brasser, R., Pichierri, G., Dobos, V., & Barr, A. C. (2022). Long-term tidal evolution of the TRAPPIST-1 system. Monthly Notices of the Royal Astronomical Society, 515(2), 2373–2385. doi:10.1093/mnras/stac1907

Shock-formed carbon materials with intergrown sp 3 - and sp 2 -bonded nanostructured units

Németh, P., Lancaster, H. J., Salzmann, C. G., McColl, K., Fogarassy, Z., Garvie, L. A. J., … McMillan, P. F. (2022). Shock-formed carbon materials with intergrown sp <sup>3</sup> - and sp <sup>2</sup> -bonded nanostructured units. Proceedings of the National Academy of Sciences, 119(30), None. doi:10.1073/pnas.2203672119

Protecting ocean worlds: Europa Clipper planetary protection inputs to a probabilistic risk-based approach

Smith, A. L., & Hendrickson, R. C. (2022). Protecting ocean worlds: Europa Clipper planetary protection inputs to a probabilistic risk-based approach. International Journal of Astrobiology, None, 1–14. doi:10.1017/s1473550422000192

The Unrestrained Use of Python Libraries for Bridging the Gap Between Planetary and Material Sciences

Zanetta, P-M. (2022). The Unrestrained Use of Python Libraries for Bridging the Gap Between Planetary and Material Sciences. Microscopy and Microanalysis, 28(S1), 2686–2688. doi:10.1017/s1431927622010157

AbGradCon 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 2022Rover-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

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

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