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 2023Compositions 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

Laser desorption mass spectrometry with an Orbitrap analyser for in situ astrobiology

Arevalo, R., Willhite, L., Bardyn, A., Ni, Z., Ray, S., Southard, A., … Makarov, A. (2023). Laser desorption mass spectrometry with an Orbitrap analyser for in situ astrobiology. Nature Astronomy. doi:10.1038/s41550-022-01866-x

Identification of next-generation International Humic Substances Society reference materials for advancing the understanding of the role of natural organic matter in the Anthropocene

Chin, Y-P., McKnight, D. M., D’Andrilli, J., Brooks, N., Cawley, K., Guerard, J., … Reckhow, D. (2023). Identification of next-generation International Humic Substances Society reference materials for advancing the understanding of the role of natural organic matter in the Anthropocene. Aquatic Sciences, 85(1), None. doi:10.1007/s00027-022-00923-x

Planetary Mapping Using Deep Learning: A Method to Evaluate Feature Identification Confidence Applied to Habitats in Mars-Analog Terrain

Phillips, M. S., Moersch, J. E., Cabrol, N. A., Candela, A., Wettergreen, D., Warren-Rhodes, K., … , . (2023). Planetary Mapping Using Deep Learning: A Method to Evaluate Feature Identification Confidence Applied to Habitats in Mars-Analog Terrain. Astrobiology, 23(1), 76–93. doi:10.1089/ast.2022.0014

Microbial Motility at the Bottom of North America: Digital Holographic Microscopy and Genomic Motility Signatures in Badwater Spring, Death Valley National Park

Snyder, C., Centlivre, J. P., Bhute, S., Shipman, G., Friel, A. D., Viver, T., … Hedlund, B. P. (2023). Microbial Motility at the Bottom of North America: Digital Holographic Microscopy and Genomic Motility Signatures in Badwater Spring, Death Valley National Park. Astrobiology. doi:10.1089/ast.2022.0090

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