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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October 2023Chronology of alkali anorthosite 14304 clast “b” records basin forming impact at ∼3.95 Ga

Kruijer, T. S., Borg, L. E., Cassata, W. S., Wimpenny, J., Brennecka, G. A., Shearer, C. K., & Simon, S. B. (2023). Chronology of alkali anorthosite 14304 clast “b” records basin forming impact at ∼3.95 Ga. Geochimica et Cosmochimica Acta, 358, 61–76. doi:10.1016/j.gca.2023.07.026

Organosulfur Aerosols Likely Carried Sulfur MIF Signatures in the Early Earth’s Atmosphere

Oduro, H., Ono, S., Alrasheed, F., & Eldridge, D. L. (2023). Organosulfur Aerosols Likely Carried Sulfur MIF Signatures in the Early Earth’s Atmosphere. Geochemistry, Geophysics, Geosystems, 24(10), None. doi:10.1029/2022gc010777

Cyanide Abundance and Soluble Organic Composition in Highly Aqueously Altered CM Chondrites

Reichow, R. A., Schwartz, P. K., Smith, K. E., & Callahan, M. P. (2023). Cyanide Abundance and Soluble Organic Composition in Highly Aqueously Altered CM Chondrites. ACS Earth and Space Chemistry. doi:10.1021/acsearthspacechem.3c00229

Observational evidence for cylindrically oriented zonal flows on Jupiter

Kaspi, Y., Galanti, E., Park, R. S., Duer, K., Gavriel, N., Durante, D., … Bolton, S. J. (2023). Observational evidence for cylindrically oriented zonal flows on Jupiter. Nature Astronomy. doi:10.1038/s41550-023-02077-8

Oxygenation of the Baltoscandian shelf linked to Ordovician biodiversification

Lindskog, A., Young, S. A., Bowman, C. N., Kozik, N. P., Newby, S. M., Eriksson, M. E., … Owens, J. D. (2023). Oxygenation of the Baltoscandian shelf linked to Ordovician biodiversification. Nature Geoscience. doi:10.1038/s41561-023-01287-z

Unraveling the functional dark matter through global metagenomics

Pavlopoulos, G. A., Baltoumas, F. A., Liu, S., Selvitopi, O., Camargo, A. P., Nayfach, S., … , . (2023). Unraveling the functional dark matter through global metagenomics. Nature. doi:10.1038/s41586-023-06583-7

Prospects for Cryovolcanic Activity on Cold Ocean Planets

Quick, L. C., Roberge, A., Mendoza, G. T., Quintana, E. V., & Youngblood, A. A. (2023). Prospects for Cryovolcanic Activity on Cold Ocean Planets. The Astrophysical Journal, 956(1), 29. doi:10.3847/1538-4357/ace9b6

The Dynamic Influence of Subsurface Geological Processes on the Assembly and Diversification of Thermophilic Microbial Communities in Continental Hydrothermal Systems

Sims, K. W. W., Messa, C. M., Scott, S. R., Parsekian, A. D., Miller, A., Role, A. L., … Boyd, E. S. (2023). The Dynamic Influence of Subsurface Geological Processes on the Assembly and Diversification of Thermophilic Microbial Communities in Continental Hydrothermal Systems. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2023.10.021

Seafloor spreading and the delivery of sulfur and metals to Earth’s oceans

Syverson, D. D., Awolayo, A. N., & Tutolo, B. M. (2023). Seafloor spreading and the delivery of sulfur and metals to Earth’s oceans. Geology. doi:10.1130/g51311.1

Swiftest: An N-body Integrator for Gravitational Systems

Wishard, C., Pouplin, J., Elliott, J., Singh, D., Anand, K., & Minton, D. (2023). Swiftest: An N-body Integrator for Gravitational Systems. Journal of Open Source Software, 8(90), 5409. doi:10.21105/joss.05409

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