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 2022RW 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

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

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

Measuring the shock stage of Itokawa and asteroid regolith grains by electron backscattered diffraction, optical petrography, and synchrotron X‐ray diffraction

Zolensky, M., Martinez, J., Sitzman, S., Mikouchi, T., Hagiya, K., Ohsumi, K., … Yamaguchi, S. (2022). Measuring the shock stage of Itokawa and asteroid regolith grains by electron backscattered diffraction, optical petrography, and synchrotron X‐ray diffraction. Meteoritics & Planetary Science, 57(5), 1060–1078. doi:10.1111/maps.13808

March 2022238U/235U in calcite is more susceptible to carbonate diagenesis

Chen, X., Robinson, S. A., Romaniello, S. J., & Anbar, A. D. (2022). 238U/235U in calcite is more susceptible to carbonate diagenesis. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2022.03.027

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