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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June 2024Onset of coupled atmosphere–ocean oxygenation 2.3 billion years ago

Ostrander, C. M., Heard, A. W., Shu, Y., Bekker, A., Poulton, S. W., Olesen, K. P., & Nielsen, S. G. (2024). Onset of coupled atmosphere–ocean oxygenation 2.3 billion years ago. Nature, 631(8020), 335–339. doi:10.1038/s41586-024-07551-5

Water Uptake and Release of Nitrate Salt Mixtures of Relevance to the Atacama Desert and Mars

Fernanders, M. S., Gough, R. V., Chevrier, V. F., Boy, D., Boy, J., Carr, C. E., & Tolbert, M. A. (2024). Water Uptake and Release of Nitrate Salt Mixtures of Relevance to the Atacama Desert and Mars. ACS Earth and Space Chemistry. doi:10.1021/acsearthspacechem.3c00371

Potassium isotopes trace the formation of juvenile continental crust

Gamaleldien, H., Wang, K., Johnson, T. E., Ma, J-F., Abu Anbar, M., Zhang, X. J., … Kirkland, C. L. (2024). Potassium isotopes trace the formation of juvenile continental crust. Geoscience Frontiers, None, 101882. doi:10.1016/j.gsf.2024.101882

HD 110067 c has an aligned orbit

Zak, J., Boffin, H. M. J., Sedaghati, E., Bocchieri, A., Changeat, Q., Fukui, A., … Vignes, J. P. (2024). HD 110067 c has an aligned orbit. Astronomy & Astrophysics, 687, L2. doi:10.1051/0004-6361/202450570

Operational Report about drilling in the Moodies Group of the Barberton Greenstone Belt (BASE – Barberton Archean Surface Environments)

Heubeck, C., Beukes, N., Homann, M., Javaux, E. J., Kakegawa, T., Lalonde, S., Mason, P., Tice, M., Mashele, P., Paprika, D., Rippon, C., Tucker, Rodney, Tucker, Ryan, Ndazamo, V., Christianson, A., & Kunkel, C. (2024). Operational Report about drilling in the Moodies Group of the Barberton Greenstone Belt (BASE – Barberton Archean Surface Environments). ICDP Operational Report. doi: 10.48440/ICDP.5069.001

May 2024Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy

Kuzuhara, M., Fukui, A., Livingston, J. H., Caballero, J. A., De Leon, J. P., Hirano, T., … Osorio, M. R. Z. (2024). Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy. The Astrophysical Journal Letters, 967(2), L21. doi:10.3847/2041-8213/ad3642

Palaeo-environmental significance of evaporative calcite crusts in the Untersee Oasis, East Antarctica

Lacelle, D., Christy, M., Faucher, B., Sobron, P., & Andersen, D. (2024). Palaeo-environmental significance of evaporative calcite crusts in the Untersee Oasis, East Antarctica. Antarctic Science, None, 1–11. doi:10.1017/s0954102024000075

Detection of an Earth-sized exoplanet orbiting the nearby ultracool dwarf star SPECULOOS-3

Gillon, M., Pedersen, P. P., Rackham, B. V., Dransfield, G., Ducrot, E., Barkaoui, K., … Lang, F. Z. (2024). Detection of an Earth-sized exoplanet orbiting the nearby ultracool dwarf star SPECULOOS-3. Nature Astronomy. doi:10.1038/s41550-024-02271-2

Origin of fabrics and olivine chemical variations preserved in brachinite and brachinite‐like achondrite meteorites

Gruber, B. H., Nicklas, R. W., Day, J. M. D., Chin, E. J., Ren, M., & Bernard, R. E. (2024). Origin of fabrics and olivine chemical variations preserved in brachinite and brachinite‐like achondrite meteorites. Meteoritics & Planetary Science. doi:10.1111/maps.14179

Laboratory characterization of hydrothermally processed oligopeptides in ice grains emitted by Enceladus and Europa

Khawaja, N., Hortal Sánchez, L., O’Sullivan, T. R., Bloema, J., Napoleoni, M., Klenner, F., … Postberg, F. (2024). Laboratory characterization of hydrothermally processed oligopeptides in ice grains emitted by Enceladus and Europa. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 382(2273), None. doi:10.1098/rsta.2023.0201

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