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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March 2024A Gap in the Densities of Small Planets Orbiting M Dwarfs: Rigorous Statistical Confirmation Using the Open-source Code RhoPop

Schulze, J. G., Wang 王, J. 吉., Johnson, J. A., Gaudi, B. S., Rodriguez Martinez, R., Unterborn, C. T., & Panero, W. R. (2024). A Gap in the Densities of Small Planets Orbiting M Dwarfs: Rigorous Statistical Confirmation Using the Open-source Code RhoPop. The Planetary Science Journal, 5(3), 71. doi:10.3847/psj/ad26f5

Astrobiological applications of μ-mapping X-ray fluorescence spectrometry

Blake, D. F., Walroth, R. C., Bristow, T. F., Sarrazin, P., Gailhanou, M., Thompson, K., … Lafuente, B. (2024). Astrobiological applications of μ-mapping X-ray fluorescence spectrometry. International Journal of Astrobiology, 23, None. doi:10.1017/s147355042400003x

Calcium isotope variability among ocean islands reveals the physical and lithological controls on mantle partial melting

Eriksen, Z. T., Jacobsen, S. B., Day, J. M. D., & White, W. M. (2024). Calcium isotope variability among ocean islands reveals the physical and lithological controls on mantle partial melting. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2024.02.011

The CUISINES 2024 menu: Updates and progress on a large exoplanet model intercomparison framework

Fauchez, T., Sohl, L., Chaverot, G., Christie, D., Deitrick, R., Haqq-Misra, J., … Villanueva, G. (2024). The CUISINES 2024 menu: Updates and progress on a large exoplanet model intercomparison framework. None. doi:10.5194/egusphere-egu24-6826

Revisiting the Petrogenesis of Pyroclastic Glass Bead Deposits at the Apollo 15 and 17 Sites

McIntosh, E. C., Day, J. M. D., McCubbin, F. M., Vander Kaaden, K. E., Hattingh, R., & Porrachia, M. (2024). Revisiting the Petrogenesis of Pyroclastic Glass Bead Deposits at the Apollo 15 and 17 Sites. Journal of Petrology, 65(4), None. doi:10.1093/petrology/egae026

TOI-4438 b: a transiting mini-Neptune amenable to atmospheric characterization

Goffo, E., Chaturvedi, P., Murgas, F., Morello, G., Orell-Miquel, J., AcuñA, L., … Zechmeister, M. (2024). TOI-4438 b: a transiting mini-Neptune amenable to atmospheric characterization. Astronomy & Astrophysics. doi:10.1051/0004-6361/202349133

February 2024The COSPAR Planetary Protection Policy for missions to Icy Worlds: A review of history, current scientific knowledge, and future directions

Doran, P. T., Hayes, A., Grasset, O., Coustenis, A., Prieto-Ballesteros, O., Hedman, N., … Schmidt, B. (2024). The COSPAR Planetary Protection Policy for missions to Icy Worlds: A review of history, current scientific knowledge, and future directions. Life Sciences in Space Research. doi:10.1016/j.lssr.2024.02.002

Magnesium silicate chimneys at the Strytan hydrothermal field, Iceland, as analogues for prebiotic chemistry at alkaline submarine hydrothermal vents on the early Earth

Gutiérrez-Ariza, C., Barge, L. M., Ding, Y., Cardoso, S. S. S., McGlynn, S. E., Nakamura, R., … Cartwright, J. H. E. (2024). Magnesium silicate chimneys at the Strytan hydrothermal field, Iceland, as analogues for prebiotic chemistry at alkaline submarine hydrothermal vents on the early Earth. Progress in Earth and Planetary Science, 11(1), None. doi:10.1186/s40645-023-00603-w

Searching for Life: End-to-End Automated Detection and Characterization of Ediacaran Biosignatures

Jonnalagedda, P., Surprenant, R. L., Droser, M. L., & Bhanu, B. (2024). Searching for Life: End-to-End Automated Detection and Characterization of Ediacaran Biosignatures. IEEE Transactions on Geoscience and Remote Sensing, 62, 1–18. doi:10.1109/tgrs.2024.3367632

Delivery of Organic Matter to the Early Earth

Martins, Z., & Pasek, M. A. (2024). Delivery of Organic Matter to the Early Earth. Elements, 20(1), 19–23. doi:10.2138/gselements.20.1.19

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