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 2022Double ridge formation over shallow water sills on Jupiter’s moon Europa

Culberg, R., Schroeder, D. M., & Steinbrügge, G. (2022). Double ridge formation over shallow water sills on Jupiter’s moon Europa. Nature Communications, 13(1), None. doi:10.1038/s41467-022-29458-3

Resurrected Rubisco suggests uniform carbon isotope signatures over geologic time

Kędzior, M., Garcia, A. K., Li, M., Taton, A., Adam, Z. R., Young, J. N., & Kaçar, B. (2022). Resurrected Rubisco suggests uniform carbon isotope signatures over geologic time. Cell Reports, 39(4), 110726. doi:10.1016/j.celrep.2022.110726

Mass Loss by Atmospheric Escape from Extremely Close-in Planets

Koskinen, T. T., Lavvas, P., Huang, C., Bergsten, G., Fernandes, R. B., & Young, M. E. (2022). Mass Loss by Atmospheric Escape from Extremely Close-in Planets. The Astrophysical Journal, 929(1), 52. doi:10.3847/1538-4357/ac4f45

RW Aur A: SpeX Spectral Evidence for Differentiated Planetesimal Formation, Migration, and Destruction in an ∼3 Myr Old Excited CTTS System

Lisse, C. M., Sitko, M. L., Wolk, S. J., Günther, H. M., Brittain, S., Green, J. D., … Jackson, A. P. (2022). RW Aur A: SpeX Spectral Evidence for Differentiated Planetesimal Formation, Migration, and Destruction in an ∼3 Myr Old Excited CTTS System. The Astrophysical Journal, 928(2), 189. doi:10.3847/1538-4357/ac51e0

Theoretical and Observational Evidence for Coriolis Effects in Coronal Magnetic Fields via Direct Current Driven Flaring Events

Seligman, D. Z., Rogers, L. A., Feinstein, A. D., Krumholz, M. R., Beattie, J. R., Federrath, C., … Günther, M. N. (2022). Theoretical and Observational Evidence for Coriolis Effects in Coronal Magnetic Fields via Direct Current Driven Flaring Events. The Astrophysical Journal, 929(1), 54. doi:10.3847/1538-4357/ac5b69

Remote 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

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