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 2019Detectability of Remanent Magnetism in the Crust of Venus

O'Rourke, J. G., Buz, J., Fu, R. R., & Lillis, R. J. (2019). Detectability of Remanent Magnetism in the Crust of Venus. Geophysical Research Letters. doi:10.1029/2019gl082725

Lipid Vesicle-Coated Complex Coacervates

Pir Cakmak, F., Grigas, A. T., & Keating, C. D. (2019). Lipid Vesicle-Coated Complex Coacervates. Langmuir. doi:10.1021/acs.langmuir.9b00213

Simulated Phase-dependent Spectra of Terrestrial Aquaplanets in M Dwarf Systems

Wolf, E. T., Kopparapu, R. K., & Haqq-Misra, J. (2019). Simulated Phase-dependent Spectra of Terrestrial Aquaplanets in M Dwarf Systems. The Astrophysical Journal, 877(1), 35. doi:10.3847/1538-4357/ab184a

Evidence for Biotic Perchlorate Reduction in Naturally Perchlorate-Rich Sediments of Pilot Valley Basin, Utah

Lynch, K. L., Jackson, W. A., Rey, K., Spear, J. R., Rosenzweig, F., & Munakata-Marr, J. (2019). Evidence for Biotic Perchlorate Reduction in Naturally Perchlorate-Rich Sediments of Pilot Valley Basin, Utah. Astrobiology, 19(5), 629–641. doi:10.1089/ast.2018.1864

Diversified local CRISPR-Cas immunity to viruses of Sulfolobus islandicus

Pauly, M. D., Bautista, M. A., Black, J. A., & Whitaker, R. J. (2019). Diversified local CRISPR-Cas immunity to viruses of Sulfolobus islandicus. Philosophical Transactions of the Royal Society B: Biological Sciences, 374(1772), 20180093. doi:10.1098/rstb.2018.0093

Deposition of >3.7 Ga clay-rich strata of the Mawrth Vallis Group, Mars, in lacustrine, alluvial, and aeolian environments

Lowe, D. R., Bishop, J. L., Loizeau, D., Wray, J. J., & Beyer, R. A. (2019). Deposition of >3.7 Ga clay-rich strata of the Mawrth Vallis Group, Mars, in lacustrine, alluvial, and aeolian environments. GSA Bulletin, 132(1-2), 17–30. doi:10.1130/b35185.1

The B-star Exoplanet Abundance Study: A co-moving 16-25 Mjup companion to the young binary system HIP 79098

Janson, M., Asensio-Torres, R., André, D., Bonnefoy, M., Delorme, P., & , . (2019). The B-star Exoplanet Abundance Study: A co-moving 16-25 Mjup companion to the young binary system HIP 79098. Astronomy & Astrophysics. doi:10.1051/0004-6361/201935687

Modeling a Transient Secondary Paleolunar Atmosphere: 3‐D Simulations and Analysis

Aleinov, I., Way, M. J., Harman, C., Tsigaridis, K., Wolf, E. T., & Gronoff, G. (2019). Modeling a Transient Secondary Paleolunar Atmosphere: 3‐D Simulations and Analysis. Geophysical Research Letters, 46(10), 5107–5116. doi:10.1029/2019gl082494

Genome Sequence and Methylation Patterns of Halorubrum sp. Strain BOL3-1, the First Haloarchaeon Isolated and Cultured from Salar de Uyuni, Bolivia

DasSarma, P., Anton, B. P., DasSarma, S., Laye, V. J., Guzman, D., Roberts, R. J., & DasSarma, S. (2019). Genome Sequence and Methylation Patterns of Halorubrum sp. Strain BOL3-1, the First Haloarchaeon Isolated and Cultured from Salar de Uyuni, Bolivia. Microbiology Resource Announcements, 8(19), None. doi:10.1128/mra.00386-19

Energy Dissipation in Large Collisions—No Change in Planet Formation Outcomes

Deienno, R., Walsh, K. J., Kretke, K. A., & Levison, H. F. (2019). Energy Dissipation in Large Collisions—No Change in Planet Formation Outcomes. The Astrophysical Journal, 876(2), 103. doi:10.3847/1538-4357/ab16e1

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