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 2022A Machine Learning Framework to Predict Images of Edge-on Protoplanetary Disks

Telkamp, Z., Martínez-Palomera, J., Duchêne, G., Ashimbekova, A., Wolfe, E., Angelo, I., & Pinte, C. (2022). A Machine Learning Framework to Predict Images of Edge-on Protoplanetary Disks. The Astrophysical Journal, 939(2), 73. doi:10.3847/1538-4357/ac96f1

Erythrose and Threose: Carbonyl Migrations, Epimerizations, Aldol, and Oxidative Fragmentation Reactions Under Plausible Prebiotic Conditions

Yi, R., Kern, R., Pollet, P., Lin, H., Krishnamurthy, R., & Liotta, C. L. (2022). Erythrose and Threose: Carbonyl Migrations, Epimerizations, Aldol, and Oxidative Fragmentation Reactions Under Plausible Prebiotic Conditions. Chemistry – A European Journal. doi:10.1002/chem.202202816

The Evolving Chronology of Moon Formation

Borg, L. E., & Carlson, R. W. (2022). The Evolving Chronology of Moon Formation. Annual Review of Earth and Planetary Sciences, 51(1), None. doi:10.1146/annurev-earth-031621-060538

The H2O content of the ureilite parent body

Peterson, L. D., Newcombe, M. E., M. O'D. Alexander, C., Wang, J., Sarafian, A. R., Bischoff, A., & Nielsen, S. G. (2022). The H2O content of the ureilite parent body. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2022.10.036

Multiple nutritional strategies of hydrothermal vent shrimp (Rimicaris hybisae) assemblages at the Mid-Cayman Rise

Versteegh, E. A. A., Van Dover, C. L., Van Audenhaege, L., & Coleman, M. (2022). Multiple nutritional strategies of hydrothermal vent shrimp (Rimicaris hybisae) assemblages at the Mid-Cayman Rise. Deep Sea Research Part I: Oceanographic Research Papers, None, 103915. doi:10.1016/j.dsr.2022.103915

A Concise Treatise on Converting Stellar Mass Fractions to Abundances to Molar Ratios

Hinkel, N. R., Young, P. A., & Wheeler III, C. H. (2022). A Concise Treatise on Converting Stellar Mass Fractions to Abundances to Molar Ratios. The Astronomical Journal, 164(6), 256. doi:10.3847/1538-3881/ac9bfa

Transfer efficiency of organic carbon in marine sediments

Bradley, J. A., Hülse, D., LaRowe, D. E., & Arndt, S. (2022). Transfer efficiency of organic carbon in marine sediments. Nature Communications, 13(1), None. doi:10.1038/s41467-022-35112-9

Globally‐distributed microbial eukaryotes exhibit endemism at deep‐sea hydrothermal vents

Hu, S. K., Smith, A. R., Anderson, R. E., Sylva, S. P., Setzer, M., Steadmon, M., … Huber, J. A. (2022). Globally‐distributed microbial eukaryotes exhibit endemism at deep‐sea hydrothermal vents. Molecular Ecology. doi:10.1111/mec.16745

Assessing marine communities and carbon cycling that sustained shallow-marine ecosystems on Silurian, reef-rimmed carbonate platforms

Marshall, N., Love, G. D., Grytsenko, V., & Bekker, A. (2022). Assessing marine communities and carbon cycling that sustained shallow-marine ecosystems on Silurian, reef-rimmed carbonate platforms. Organic Geochemistry, None, 104528. doi:10.1016/j.orggeochem.2022.104528

Aqueous alteration processes in Jezero crater, Mars−implications for organic geochemistry

Scheller, E. L., Hollis, J. R., Cardarelli, E. L., Steele, A., Beegle, L. W., Bhartia, R., … Zorzano, M-P. (2022). Aqueous alteration processes in Jezero crater, Mars−implications for organic geochemistry. Science. doi:10.1126/science.abo5204

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