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 interplay between twinning and cation inversion in MgAl2O4-spinel: Implications for a nebular thermochronometer

Manga, V. R., Muralidharan, K., & Zega, T. J. (2022). The interplay between twinning and cation inversion in MgAl2O4-spinel: Implications for a nebular thermochronometer. American Mineralogist, 107(8), 1470–1476. doi:10.2138/am-2021-7874

Microbial Populations Are Shaped by Dispersal and Recombination in a Low Biomass Subseafloor Habitat

Anderson, R. E., Graham, E. D., Huber, J. A., & Tully, B. J. (2022). Microbial Populations Are Shaped by Dispersal and Recombination in a Low Biomass Subseafloor Habitat. mBio. doi:10.1128/mbio.00354-22

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 2022Prebiotic synthesis of α-amino acids and orotate from α-ketoacids potentiates transition to extant metabolic pathways

Pulletikurti, S., Yadav, M., Springsteen, G., & Krishnamurthy, R. (2022). Prebiotic synthesis of α-amino acids and orotate from α-ketoacids potentiates transition to extant metabolic pathways. Nature Chemistry. doi:10.1038/s41557-022-00999-w

The Shuram excursion: A response to climate extremes at the dawn of animal life

Bergmann, K., Osburn, M. R., Wilcots, J., Cantine, M., Grotzinger, J. P., Fischer, W. W., … Bonifacie, M. (2022). The Shuram excursion: A response to climate extremes at the dawn of animal life. None. doi:10.1002/essoar.10511917.1

Wet streaks in the McMurdo Dry Valleys, Antarctica: Implications for Recurring Slope Lineae on Mars

Toner, J. D., Sletten, R. S., Liu, L., Catling, D. C., Ming, D. W., Mushkin, A., & Lin, P-C. (2022). Wet streaks in the McMurdo Dry Valleys, Antarctica: Implications for Recurring Slope Lineae on Mars. Earth and Planetary Science Letters, 589, 117582. doi:10.1016/j.epsl.2022.117582

Icy Grain Mantle Surface Astrochemistry of MgNC: The Emergence of Metal Ion Catalysis Studied via Model Ice Cluster Calculations

Woon, D. E. (2022). Icy Grain Mantle Surface Astrochemistry of MgNC: The Emergence of Metal Ion Catalysis Studied via Model Ice Cluster Calculations. The Journal of Physical Chemistry A, 126(31), 5186–5194. doi:10.1021/acs.jpca.2c01739

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