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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April 2022Continuous Habitable Zones: Using Bayesian Methods to Prioritize Characterization of Potentially Habitable Worlds

Ware, A., Young, P., Truitt, A., & Spacek, A. (2022). Continuous Habitable Zones: Using Bayesian Methods to Prioritize Characterization of Potentially Habitable Worlds. The Astrophysical Journal, 929(2), 143. doi:10.3847/1538-4357/ac5c4e

Unveiling exozodiacal light

Spalding, E., Defrère, D., & Ertel, S. (2022). Unveiling exozodiacal light. Physics Today, 75(4), 46–52. doi:10.1063/pt.3.4982

Large-scale Volcanism and the Heat Death of Terrestrial Worlds

Way, M. J., Ernst, R. E., & Scargle, J. D. (2022). Large-scale Volcanism and the Heat Death of Terrestrial Worlds. The Planetary Science Journal, 3(4), 92. doi:10.3847/psj/ac6033

Genomic Features of the Bundle-Forming Heliobacterium Heliophilum fasciatum

Bender, K. S., Madigan, M. T., Williamson, K. L., Mayer, M. H., Parenteau, M. N., Jahnke, L. L., … Matthew Sattley, W. (2022). Genomic Features of the Bundle-Forming Heliobacterium Heliophilum fasciatum. Microorganisms, 10(5), 869. doi:10.3390/microorganisms10050869

Modeling Virus and Bacteria Populations in Europa’s Subsurface Ocean

Gomez-Buckley, A. C., Showalter, G. M., & Wong, M. L. (2022). Modeling Virus and Bacteria Populations in Europa’s Subsurface Ocean. Life, 12(5), 620. doi:10.3390/life12050620

Disruption of a Planetary Nitrogen Cycle as Evidence of Extraterrestrial Agriculture

Haqq-Misra, J., Fauchez, T. J., Schwieterman, E. W., & Kopparapu, R. (2022). Disruption of a Planetary Nitrogen Cycle as Evidence of Extraterrestrial Agriculture. The Astrophysical Journal Letters, 929(2), L28. doi:10.3847/2041-8213/ac65ff

Atmospheric dynamics of a near tidally locked Earth-sized planet

Kane, S. R. (2022). Atmospheric dynamics of a near tidally locked Earth-sized planet. Nature Astronomy, 6(4), 420–427. doi:10.1038/s41550-022-01626-x

Evidence for a significant Kuiper belt dust contribution to the zodiacal cloud

Keller, L. P., & Flynn, G. J. (2022). Evidence for a significant Kuiper belt dust contribution to the zodiacal cloud. Nature Astronomy. doi:10.1038/s41550-022-01647-6

Discovery of Chlorophyll d: Isolation and Characterization of a Far-Red Cyanobacterium from the Original Site of Manning and Strain (1943) at Moss Beach, California

Kiang, N. Y., Swingley, W. D., Gautam, D., Broddrick, J. T., Repeta, D. J., Stolz, J. F., … Parenteau, M. N. (2022). Discovery of Chlorophyll d: Isolation and Characterization of a Far-Red Cyanobacterium from the Original Site of Manning and Strain (1943) at Moss Beach, California. Microorganisms, 10(4), 819. doi:10.3390/microorganisms10040819

Preservation of early Tonian macroalgal fossils from the Dolores Creek Formation, Yukon

Maloney, K. M., Schiffbauer, J. D., Halverson, G. P., Xiao, S., & Laflamme, M. (2022). Preservation of early Tonian macroalgal fossils from the Dolores Creek Formation, Yukon. Scientific Reports, 12(1), None. doi:10.1038/s41598-022-10223-x

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