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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November 2021Solar wind contributions to Earth’s oceans

Daly, L., Lee, M. R., Hallis, L. J., Ishii, H. A., Bradley, J. P., Bland, P. A., … Thompson, M. S. (2021). Solar wind contributions to Earth’s oceans. Nature Astronomy, 5(12), 1275–1285. doi:10.1038/s41550-021-01487-w

Infiltration metasomatism of the Allende coarse-grained calcium-aluminum-rich inclusions

Krot, A. N., Petaev, M. I., & Nagashima, K. (2021). Infiltration metasomatism of the Allende coarse-grained calcium-aluminum-rich inclusions. Progress in Earth and Planetary Science, 8(1), None. doi:10.1186/s40645-021-00437-4

Effects of Hydrogen on the Phase Relations in Fe‐FeS at Pressures of Mars‐Sized Bodies

Piet, H., Leinenweber, K., Greenberg, E., Prakapenka, V. B., & Shim, S. ‐. (2021). Effects of Hydrogen on the Phase Relations in Fe‐FeS at Pressures of Mars‐Sized Bodies. Journal of Geophysical Research: Planets, 126(11), None. doi:10.1029/2021je006942

Carbon isotope chemostratigraphy of a Gondwanan Ediacaran–Cambrian transition, Soltanieh Mountains, northern Iran

Etemad-Saeed, N., Knoll, A. H., Najafi, M., Bergmann, K. D., Haseley, N., & Karimi, S. (2021). Carbon isotope chemostratigraphy of a Gondwanan Ediacaran–Cambrian transition, Soltanieh Mountains, northern Iran. Gondwana Research, 99, 163–177. doi:10.1016/j.gr.2021.07.001

Bioenergetic potentials in terrestrial, shallow-sea and deep-sea hydrothermal systems

Lu, G-S., LaRowe, D. E., & Amend, J. P. (2021). Bioenergetic potentials in terrestrial, shallow-sea and deep-sea hydrothermal systems. Chemical Geology, 583, 120449. doi:10.1016/j.chemgeo.2021.120449

Catalytic Prebiotic Formation of Glycerol Phosphate Esters and an Estimation of Their Steady State Abundance under Plausible Early Earth Conditions

Gull, M., & Pasek, M. A. (2021). Catalytic Prebiotic Formation of Glycerol Phosphate Esters and an Estimation of Their Steady State Abundance under Plausible Early Earth Conditions. Catalysts, 11(11), 1384. doi:10.3390/catal11111384

Oxygen and Aluminum-Magnesium Isotopic Systematics of Presolar Nanospinel Grains from CI Chondrite Orgueil

Liu, N., Dauphas, N., Cristallo, S., Palmerini, S., & Busso, M. (2021). Oxygen and Aluminum-Magnesium Isotopic Systematics of Presolar Nanospinel Grains from CI Chondrite Orgueil. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2021.11.022

The Lunar Fossil Figure in a Cassini State

Matsuyama, I., Trinh, A., & Keane, J. T. (2021). The Lunar Fossil Figure in a Cassini State. The Planetary Science Journal, 2(6), 232. doi:10.3847/psj/ac32d9

Diaphite-structured nanodiamonds with six- and twelve-fold symmetries

Németh, P., McColl, K., Garvie, L. A. J., Salzmann, C. G., Pickard, C. J., Corà, F., … McMillan, P. F. (2021). Diaphite-structured nanodiamonds with six- and twelve-fold symmetries. Diamond and Related Materials, 119, 108573. doi:10.1016/j.diamond.2021.108573

Ray, S., Garvie, L. A. J., Rai, V. K., & Wadhwa, M. (2021). Correlated iron isotopes and silicon contents in aubrite metals reveal structure of their asteroidal parent body. Scientific Reports, 11(1), None. doi:10.1038/s41598-021-99160-9

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