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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September 2022Migration Traps as the Root Cause of the Kepler Dichotomy

Zawadzki, B., Carrera, D., & Ford, E. B. (2022). Migration Traps as the Root Cause of the Kepler Dichotomy. The Astrophysical Journal, 937(2), 53. doi:10.3847/1538-4357/ac8b04

Searching for technosignatures in exoplanetary systems with current and future missions

Haqq-Misra, J., Schwieterman, E. W., Socas-Navarro, H., Kopparapu, R., Angerhausen, D., Beatty, T. G., … Apai, D. (2022). Searching for technosignatures in exoplanetary systems with current and future missions. Acta Astronautica, 198, 194–207. doi:10.1016/j.actaastro.2022.05.040

Let It Go: Geophysically Driven Ejection of the Haumea Family Members

Noviello, J. L., Desch, S. J., Neveu, M., Proudfoot, B. C. N., & Sonnett, S. (2022). Let It Go: Geophysically Driven Ejection of the Haumea Family Members. The Planetary Science Journal, 3(9), 225. doi:10.3847/psj/ac8e03

New Dynamical State and Habitability of the HD 45364 Planetary System

Li, Z., Kane, S. R., Dalba, P. A., Howard, A. W., & Isaacson, H. T. (2022). New Dynamical State and Habitability of the HD 45364 Planetary System. The Astronomical Journal, 164(4), 163. doi:10.3847/1538-3881/ac8d63

Implications of Jupiter Inward Gas-driven Migration for the Inner Solar System

Deienno, R., Izidoro, A., Morbidelli, A., Nesvorný, D., & Bottke, W. F. (2022). Implications of Jupiter Inward Gas-driven Migration for the Inner Solar System. The Astrophysical Journal Letters, 936(2), L24. doi:10.3847/2041-8213/ac865c

ALMA Detection of Dust Trapping around Lagrangian Points in the LkCa 15 Disk

Long 龙, F. 凤., Andrews, S. M., Zhang 张, S. 尚., Qi, C., Benisty, M., Facchini, S., … Zhaohuan 照寰 Zhu, 朱. (2022). ALMA Detection of Dust Trapping around Lagrangian Points in the LkCa 15 Disk. The Astrophysical Journal Letters, 937(1), L1. doi:10.3847/2041-8213/ac8b10

Plate tectonics, mixed heating convection, and the divergence of mantle and plume temperatures

Seales, J., Lenardic, A., & Tomasini, J. G. (2022). Plate tectonics, mixed heating convection, and the divergence of mantle and plume temperatures. Geology, 50(12), 1377–1381. doi:10.1130/g50309.1

August 2022Analytic Light Curve for Mutual Transits of Two Bodies Across a Limb-darkened Star

Gordon, T. A., & Agol, E. (2022). Analytic Light Curve for Mutual Transits of Two Bodies Across a Limb-darkened Star. The Astronomical Journal, 164(3), 111. doi:10.3847/1538-3881/ac82b1

Solid Accretion onto Neptune-mass Planets. I. In Situ Accretion and Constraints from the Metallicity of Uranus and Neptune

Hasegawa, Y. (2022). Solid Accretion onto Neptune-mass Planets. I. In Situ Accretion and Constraints from the Metallicity of Uranus and Neptune. The Astrophysical Journal, 935(2), 101. doi:10.3847/1538-4357/ac7b79

VOXI: Versatile Optics for X-ray Imaging

Romaine, S., Hong, J. S., & Elvis, M. (2022). VOXI: Versatile Optics for X-ray Imaging. Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray. doi:10.1117/12.2630660

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