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 2022Remote and in-Situ Characterization of Mars Analogs: Coupling Scales to Improve the Search for Microbial Signatures on Mars

Harris, C. M., Maclay, M. T., Lutz, K. A., Nathan, V., Ortega Dominguez, N. A., Leavitt, W. D., & Palucis, M. C. (2022). Remote and in-Situ Characterization of Mars Analogs: Coupling Scales to Improve the Search for Microbial Signatures on Mars. Frontiers in Astronomy and Space Sciences, 9, None. doi:10.3389/fspas.2022.849078

Sulfur- and Iron-Rich Mineralogical Features Preserved in Permafrost in the Canadian High Arctic: Analogs for the Astrobiological Exploration of Mars

Lau, G. E., Trivedi, C. B., Grasby, S. E., Spear, J. R., Cosmidis, J., & Templeton, A. S. (2022). Sulfur- and Iron-Rich Mineralogical Features Preserved in Permafrost in the Canadian High Arctic: Analogs for the Astrobiological Exploration of Mars. Frontiers in Astronomy and Space Sciences, 9, None. doi:10.3389/fspas.2022.825019

Simulating the Space Weather in the AU Mic System: Stellar Winds and Extreme Coronal Mass Ejections

Alvarado-Gómez, J. D., Cohen, O., Drake, J. J., Fraschetti, F., Poppenhaeger, K., Garraffo, C., … Kochukhov, O. (2022). Simulating the Space Weather in the AU Mic System: Stellar Winds and Extreme Coronal Mass Ejections. The Astrophysical Journal, 928(2), 147. doi:10.3847/1538-4357/ac54b8

L-band Integral Field Spectroscopy of the HR 8799 Planetary System

Doelman, D. S., Stone, J. M., Briesemeister, Z. W., Skemer, A. J. I., Barman, T., Brock, L. S., … Skrutskie, M. F. (2022). L-band Integral Field Spectroscopy of the HR 8799 Planetary System. The Astronomical Journal, 163(5), 217. doi:10.3847/1538-3881/ac5d52

Search for Stellar Flybys in the Sco-Cen OB Association with the Gaia DR2

Ma, Y., De Rosa, R. J., & Kalas, P. (2022). Search for Stellar Flybys in the Sco-Cen OB Association with the Gaia DR2. The Astronomical Journal, 163(5), 219. doi:10.3847/1538-3881/ac5ab9

Continuous 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

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