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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May 2022Biofilms as agents of Ediacara-style fossilization

Slagter, S., Hao, W., Planavsky, N. J., Konhauser, K. O., & Tarhan, L. G. (2022). Biofilms as agents of Ediacara-style fossilization. Scientific Reports, 12(1), None. doi:10.1038/s41598-022-12473-1

Evidence for benthic oxygen production in Neoarchean lacustrine stromatolites

Wilmeth, D. T., Lalonde, S. V., Berelson, W. M., Petryshyn, V., Celestian, A. J., Beukes, N. J., … Corsetti, F. A. (2022). Evidence for benthic oxygen production in Neoarchean lacustrine stromatolites. Geology. doi:10.1130/g49894.1

Volatile-bearing Partial Melts in the Lithospheric and Sub-Lithospheric Mantle on Earth and Other Rocky Planets

Dasgupta, R., Chowdhury, P., Eguchi, J., Sun, C., & Saha, S. (2022). Volatile-bearing Partial Melts in the Lithospheric and Sub-Lithospheric Mantle on Earth and Other Rocky Planets. Reviews in Mineralogy and Geochemistry, 87(1), 575–606. doi:10.2138/rmg.2022.87.12

Chemical Equilibrium between Cores, Mantles, and Atmospheres of Super-Earths and Sub-Neptunes and Implications for Their Compositions, Interiors, and Evolution

Schlichting, H. E., & Young, E. D. (2022). Chemical Equilibrium between Cores, Mantles, and Atmospheres of Super-Earths and Sub-Neptunes and Implications for Their Compositions, Interiors, and Evolution. The Planetary Science Journal, 3(5), 127. doi:10.3847/psj/ac68e6

April 2022Compositions of dissolved organic matter in the ice-covered waters above the Aurora hydrothermal vent system, Gakkel Ridge, Arctic Ocean

Sert, M. F., Niemann, H., Reeves, E. P., Granskog, M. A., Hand, K. P., Kekäläinen, T., … Gründger, F. (2022). Compositions of dissolved organic matter in the ice-covered waters above the Aurora hydrothermal vent system, Gakkel Ridge, Arctic Ocean. Biogeosciences, 19(8), 2101–2120. doi:10.5194/bg-19-2101-2022

Double ridge formation over shallow water sills on Jupiter’s moon Europa

Culberg, R., Schroeder, D. M., & Steinbrügge, G. (2022). Double ridge formation over shallow water sills on Jupiter’s moon Europa. Nature Communications, 13(1), None. doi:10.1038/s41467-022-29458-3

Resurrected Rubisco suggests uniform carbon isotope signatures over geologic time

Kędzior, M., Garcia, A. K., Li, M., Taton, A., Adam, Z. R., Young, J. N., & Kaçar, B. (2022). Resurrected Rubisco suggests uniform carbon isotope signatures over geologic time. Cell Reports, 39(4), 110726. doi:10.1016/j.celrep.2022.110726

Mass Loss by Atmospheric Escape from Extremely Close-in Planets

Koskinen, T. T., Lavvas, P., Huang, C., Bergsten, G., Fernandes, R. B., & Young, M. E. (2022). Mass Loss by Atmospheric Escape from Extremely Close-in Planets. The Astrophysical Journal, 929(1), 52. doi:10.3847/1538-4357/ac4f45

RW Aur A: SpeX Spectral Evidence for Differentiated Planetesimal Formation, Migration, and Destruction in an ∼3 Myr Old Excited CTTS System

Lisse, C. M., Sitko, M. L., Wolk, S. J., Günther, H. M., Brittain, S., Green, J. D., … Jackson, A. P. (2022). RW Aur A: SpeX Spectral Evidence for Differentiated Planetesimal Formation, Migration, and Destruction in an ∼3 Myr Old Excited CTTS System. The Astrophysical Journal, 928(2), 189. doi:10.3847/1538-4357/ac51e0

Theoretical and Observational Evidence for Coriolis Effects in Coronal Magnetic Fields via Direct Current Driven Flaring Events

Seligman, D. Z., Rogers, L. A., Feinstein, A. D., Krumholz, M. R., Beattie, J. R., Federrath, C., … Günther, M. N. (2022). Theoretical and Observational Evidence for Coriolis Effects in Coronal Magnetic Fields via Direct Current Driven Flaring Events. The Astrophysical Journal, 929(1), 54. doi:10.3847/1538-4357/ac5b69

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