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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April 2022Using near–surface temperature data to vicariously calibrate high-resolution thermal infrared imagery and estimate physical surface properties

Titus, T. N., Wynne, J. J., Jhabvala, M. D., & Cabrol, N. A. (2022). Using near–surface temperature data to vicariously calibrate high-resolution thermal infrared imagery and estimate physical surface properties. MethodsX, 9, 101644. doi:10.1016/j.mex.2022.101644

A Highly Settled Disk around Oph163131

Villenave, M., Stapelfeldt, K. R., Duchêne, G., Ménard, F., Lambrechts, M., Sierra, A., … Pinte, C. (2022). A Highly Settled Disk around Oph163131. The Astrophysical Journal, 930(1), 11. doi:10.3847/1538-4357/ac5fae

March 2022Detectability of Chlorofluorocarbons in the Atmospheres of Habitable M-dwarf Planets

Haqq-Misra, J., Kopparapu, R., Fauchez, T. J., Frank, A., Wright, J. T., & Lingam, M. (2022). Detectability of Chlorofluorocarbons in the Atmospheres of Habitable M-dwarf Planets. The Planetary Science Journal, 3(3), 60. doi:10.3847/psj/ac5404

The Habitable Zones of Rapidly Rotating Main Sequence A/F Stars

Ahlers, J. P., Fromont, E. F., Kopparappu, R., Cauley, P. W., & Haqq-Misra, J. (2022). The Habitable Zones of Rapidly Rotating Main Sequence A/F Stars. The Astrophysical Journal, 928(1), 35. doi:10.3847/1538-4357/ac5596

238U/235U in calcite is more susceptible to carbonate diagenesis

Chen, X., Robinson, S. A., Romaniello, S. J., & Anbar, A. D. (2022). 238U/235U in calcite is more susceptible to carbonate diagenesis. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2022.03.027

Energetically Informed Niche Models of Hydrogenotrophs Detected in Sediments of Serpentinized Fluids of the Samail Ophiolite of Oman

Howells, A. E. G., Leong, J. A. M., Ely, T., Santana, M., Robinson, K., Esquivel‐Elizondo, S., … Shock, E. L. (2022). Energetically Informed Niche Models of Hydrogenotrophs Detected in Sediments of Serpentinized Fluids of the Samail Ophiolite of Oman. Journal of Geophysical Research: Biogeosciences, 127(3), None. doi:10.1029/2021jg006317

Compositional Maps of the Lunar Polar Regions Derived from the Kaguya Spectral Profiler and the Lunar Orbiter Laser Altimeter Data

Lemelin, M., Lucey, P. G., & Camon, A. (2022). Compositional Maps of the Lunar Polar Regions Derived from the Kaguya Spectral Profiler and the Lunar Orbiter Laser Altimeter Data. The Planetary Science Journal, 3(3), 63. doi:10.3847/psj/ac532c

Science Objectives for Flagship-Class Mission Concepts for the Search for Evidence of Life at Enceladus

MacKenzie, S. M., Neveu, M., Davila, A. F., Lunine, J. I., Cable, M. L., Phillips-Lander, C. M., … Heldmann, J. (2022). Science Objectives for Flagship-Class Mission Concepts for the Search for Evidence of Life at Enceladus. Astrobiology. doi:10.1089/ast.2020.2425

The Case for Technosignatures: Why They May Be Abundant, Long-lived, Highly Detectable, and Unambiguous

Wright, J. T., Haqq-Misra, J., Frank, A., Kopparapu, R., Lingam, M., & Sheikh, S. Z. (2022). The Case for Technosignatures: Why They May Be Abundant, Long-lived, Highly Detectable, and Unambiguous. The Astrophysical Journal Letters, 927(2), L30. doi:10.3847/2041-8213/ac5824

Overcoming universal restrictions on metal selectivity by protein design

Choi, T. S., & Akif Tezcan, F. (2022). Overcoming universal restrictions on metal selectivity by protein design. Nature, 603(7901), 522–527. doi:10.1038/s41586-022-04469-8

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