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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January 2023Exploring and Validating Exoplanet Atmospheric Retrievals with Solar System Analog Observations

Robinson, T. D., & Salvador, A. (2023). Exploring and Validating Exoplanet Atmospheric Retrievals with Solar System Analog Observations. The Planetary Science Journal, 4(1), 10. doi:10.3847/psj/acac9a

Surviving in Ocean Worlds: Experimental Characterization of Fiber Optic Tethers across Europa-like Ice Faults and Unraveling the Sliding Behavior of Ice

Singh, V., McCarthy, C., Silvia, M., Jakuba, M. V., Craft, K. L., Rhoden, A. R., … Koczynski, T. A. (2023). Surviving in Ocean Worlds: Experimental Characterization of Fiber Optic Tethers across Europa-like Ice Faults and Unraveling the Sliding Behavior of Ice. The Planetary Science Journal, 4(1), 1. doi:10.3847/psj/aca3ab

The Effects of Early Collisional Evolution on Amorphous Water Ice Bodies

Steckloff, J. K., Sarid, G., & Johnson, B. C. (2023). The Effects of Early Collisional Evolution on Amorphous Water Ice Bodies. The Planetary Science Journal, 4(1), 4. doi:10.3847/psj/aca75a

Neil Gehrels–Swift Observatory’s Ultraviolet/Optical Telescope Observations of Small Bodies in the Solar System

Bodewits, D., Xing, Z., Saki, M., & Morgenthaler, J. P. (2023). Neil Gehrels–Swift Observatory’s Ultraviolet/Optical Telescope Observations of Small Bodies in the Solar System. Universe, 9(2), 78. doi:10.3390/universe9020078

Compositions and Interior Structures of the Large Moons of Uranus and Implications for Future Spacecraft Observations

Castillo‐Rogez, J., Weiss, B., Beddingfield, C., Biersteker, J., Cartwright, R., Goode, A., … Neveu, M. (2023). Compositions and Interior Structures of the Large Moons of Uranus and Implications for Future Spacecraft Observations. Journal of Geophysical Research: Planets, 128(1), None. doi:10.1029/2022je007432

Early fluid activity on Ryugu inferred by isotopic analyses of carbonates and magnetite

McCain, K. A., Matsuda, N., Liu, M-C., McKeegan, K. D., Yamaguchi, A., Kimura, M., … Tsuda, Y. (2023). Early fluid activity on Ryugu inferred by isotopic analyses of carbonates and magnetite. Nature Astronomy, 7(3), 309–317. doi:10.1038/s41550-022-01863-0

Heterotrophic Growth Dominates in the Most Extremotolerant Extremophile Cultures

Matthews, A., Lima-Zaloumis, J., Debes II, R. V., Boyer, G., & Trembath-Reichert, E. (2023). Heterotrophic Growth Dominates in the Most Extremotolerant Extremophile Cultures. Astrobiology. doi:10.1089/ast.2022.0100

Author Correction: Measured spin–orbit alignment of ultra-short-period super-Earth 55 Cancri e

Zhao, L. L., Kunovac, V., Brewer, J. M., Llama, J., Millholland, S. C., Hedges, C., … Fischer, D. A. (2023). Author Correction: Measured spin–orbit alignment of ultra-short-period super-Earth 55 Cancri e. Nature Astronomy, 7(3), 366–366. doi:10.1038/s41550-023-01886-1

Protracted oxygenation across the Cambrian–Ordovician transition: A key initiator of the Great Ordovician Biodiversification Event?

Kozik, N. P., Young, S. A., Lindskog, A., Ahlberg, P., & Owens, J. D. (2023). Protracted oxygenation across the Cambrian–Ordovician transition: A key initiator of the Great Ordovician Biodiversification Event? Geobiology. doi:10.1111/gbi.12545

Meteorites have inherited nucleosynthetic anomalies of potassium-40 produced in supernovae

Nie, N. X., Wang, D., Torrano, Z. A., Carlson, R. W., O’D. Alexander, C. M., & Shahar, A. (2023). Meteorites have inherited nucleosynthetic anomalies of potassium-40 produced in supernovae. Science, 379(6630), 372–376. doi:10.1126/science.abn1783

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