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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August 2022The HD 260655 system: Two rocky worlds transiting a bright M dwarf at 10 pc

Luque, R., Fulton, B. J., Kunimoto, M., Amado, P. J., Gorrini, P., Dreizler, S., … Zapatero Osorio, M. R. (2022). The HD 260655 system: Two rocky worlds transiting a bright M dwarf at 10 pc. Astronomy & Astrophysics, 664, A199. doi:10.1051/0004-6361/202243834

Detection of Biosignatures by Capillary Electrophoresis Mass Spectrometry in the Presence of Salts Relevant to Ocean Worlds Missions

Mora, M. F., Kok, M. G. M., Noell, A., & Willis, P. A. (2022). Detection of Biosignatures by Capillary Electrophoresis Mass Spectrometry in the Presence of Salts Relevant to Ocean Worlds Missions. Astrobiology, 22(8), 914–925. doi:10.1089/ast.2021.0091

Explaining mercury via a single giant impact is highly unlikely

Franco, P., Izidoro, A., Winter, O. C., Torres, K. S., & Amarante, A. (2022). Explaining mercury via a single giant impact is highly unlikely. Monthly Notices of the Royal Astronomical Society, 515(4), 5576–5586. doi:10.1093/mnras/stac2183

Distribution of solids in the rings of the HD 163296 disk: a multiwavelength study

Guidi, G., Isella, A., Testi, L., Chandler, C. J., Liu, H. B., Schmid, H. M., … Tazzari, M. (2022). Distribution of solids in the rings of the HD 163296 disk: a multiwavelength study. Astronomy & Astrophysics, 664, A137. doi:10.1051/0004-6361/202142303

The morphology of CS Cha circumbinary disk suggesting the existence of a Saturn-mass planet

Kurtovic, N. T., Pinilla, P., Penzlin, A. B. T., Benisty, M., Pérez, L., Ginski, C., … Bayo, A. (2022). The morphology of CS Cha circumbinary disk suggesting the existence of a Saturn-mass planet. Astronomy & Astrophysics, 664, A151. doi:10.1051/0004-6361/202243505

July 2022Islands Within Islands: Bacterial Phylogenetic Structure and Consortia in Hawaiian Lava Caves and Fumaroles

Prescott, R. D., Zamkovaya, T., Donachie, S. P., Northup, D. E., Medley, J. J., Monsalve, N., … Boston, P. J. (2022). Islands Within Islands: Bacterial Phylogenetic Structure and Consortia in Hawaiian Lava Caves and Fumaroles. Frontiers in Microbiology, 13, None. doi:10.3389/fmicb.2022.934708

Anoxic photochemical weathering of pyrite on Archean continents

Hao, J., Liu, W., Goff, J. L., Steadman, J. A., Large, R. R., Falkowski, P. G., & Yee, N. (2022). Anoxic photochemical weathering of pyrite on Archean continents. Science Advances, 8(26), None. doi:10.1126/sciadv.abn2226

The Volatile Carbon-to-oxygen Ratio as a Tracer for the Formation Locations of Interstellar Comets

Seligman, D. Z., Rogers, L. A., Cabot, S. H. C., Noonan, J. W., Kareta, T., Mandt, K. E., … Clepper, E. V. (2022). The Volatile Carbon-to-oxygen Ratio as a Tracer for the Formation Locations of Interstellar Comets. The Planetary Science Journal, 3(7), 150. doi:10.3847/psj/ac75b5

TEM analyses of in situ presolar grains from unequilibrated ordinary chondrite LL3.0 Semarkona

Singerling, S. A., Nittler, L. R., Barosch, J., Dobrică, E., Brearley, A. J., & Stroud, R. M. (2022). TEM analyses of in situ presolar grains from unequilibrated ordinary chondrite LL3.0 Semarkona. Geochimica et Cosmochimica Acta, 328, 130–152. doi:10.1016/j.gca.2022.05.007

Vanadium isotope fractionation during hydrothermal sedimentation: Implications for the vanadium cycle in the oceans

Wu, F., Owens, J. D., German, C. R., Mills, R. A., & Nielsen, S. G. (2022). Vanadium isotope fractionation during hydrothermal sedimentation: Implications for the vanadium cycle in the oceans. Geochimica et Cosmochimica Acta, 328, 168–184. doi:10.1016/j.gca.2022.05.002

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