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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September 2020Cryo‐electron microscopy visualization of a large insertion in the 5S ribosomal RNA of the extremely halophilic archaeon Halococcus morrhuae

Tirumalai, M. R., Kaelber, J. T., Park, D. R., Tran, Q., & Fox, G. E. (2020). Cryo‐electron microscopy visualization of a large insertion in the 5S ribosomal RNA of the extremely halophilic archaeon Halococcus morrhuae. FEBS Open Bio, 10(10), 1938–1946. doi:10.1002/2211-5463.12962

Microbial community distribution in variously altered basalts: insights into astrobiology sample site selection

Al, B., E, G., A, S., Cj, R., Nawotniak SE, K., Dss, L., & Slater, G. F. (2020). Microbial community distribution in variously altered basalts: insights into astrobiology sample site selection. Planetary and Space Science, None, 105107. doi:10.1016/j.pss.2020.105107

The Resilience of Habitable Climates Around Circumbinary Stars

Wolf, E. T., Haqq‐Misra, J., Kopparapu, R., Fauchez, T. J., Welsh, W. F., Kane, S. R., … Eggl, S. (2020). The Resilience of Habitable Climates Around Circumbinary Stars. Journal of Geophysical Research: Planets, 125(9), None. doi:10.1029/2020je006576

Colliding in the Shadows of Giants: Planetesimal Collisions during the Growth and Migration of Gas Giants

Carter, P. J., & Stewart, S. T. (2020). Colliding in the Shadows of Giants: Planetesimal Collisions during the Growth and Migration of Gas Giants. The Planetary Science Journal, 1(2), 45. doi:10.3847/psj/abaecc

Where Are the Extrasolar Mercuries?

Doyle, A. E., Klein, B., Schlichting, H. E., & Young, E. D. (2020). Where Are the Extrasolar Mercuries? The Astrophysical Journal, 901(1), 10. doi:10.3847/1538-4357/abad9a

Carbonyl Sulfide (OCS): Detections in Comets C/2002 T7 (LINEAR), C/2015 ER61 (PanSTARRS), and 21P/Giacobini–Zinner and Stringent Upper Limits in 46P/Wirtanen

Saki, M., Gibb, E. L., Bonev, B. P., Roth, N. X., DiSanti, M. A., Russo, N. D., … Kawakita, H. (2020). Carbonyl Sulfide (OCS): Detections in Comets C/2002 T7 (LINEAR), C/2015 ER61 (PanSTARRS), and 21P/Giacobini–Zinner and Stringent Upper Limits in 46P/Wirtanen. The Astronomical Journal, 160(4), 184. doi:10.3847/1538-3881/aba522

August 2020RNA-Catalyzed Cross-Chiral Polymerization of RNA

Tjhung, K. F., Sczepanski, J. T., Murtfeldt, E. R., & Joyce, G. F. (2020). RNA-Catalyzed Cross-Chiral Polymerization of RNA. Journal of the American Chemical Society, 142(36), 15331–15339. doi:10.1021/jacs.0c05635

Exploring Carbon Mineral Systems: Recent Advances in C Mineral Evolution, Mineral Ecology, and Network Analysis

Morrison, S. M., Buongiorno, J., Downs, R. T., Eleish, A., Fox, P., Giovannelli, D., … Hazen, R. M. (2020). Exploring Carbon Mineral Systems: Recent Advances in C Mineral Evolution, Mineral Ecology, and Network Analysis. Frontiers in Earth Science, 8, None. doi:10.3389/feart.2020.00208

Metal grains in lunar rocks as indicators of igneous and impact processes

Day, J. M. D. (2020). Metal grains in lunar rocks as indicators of igneous and impact processes. Meteoritics & Planetary Science. doi:10.1111/maps.13544

Sierra Gorda 009: A new member of the metal‐rich G chondrites grouplet

Ivanova, M. A., Lorenz, C. A., Humayun, M., Corrigan, C. M., Ludwig, T., Trieloff, M., … Grokhovsky, V. I. (2020). Sierra Gorda 009: A new member of the metal‐rich G chondrites grouplet. Meteoritics & Planetary Science. doi:10.1111/maps.13546

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