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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May 2024Crash Chronicles: Relative contribution from comets and carbonaceous asteroids to Earth’s volatile budget in the context of an Early Instability

Joiret, S., Raymond, S. N., Avice, G., & Clement, M. S. (2024). Crash Chronicles: Relative contribution from comets and carbonaceous asteroids to Earth’s volatile budget in the context of an Early Instability. Icarus, 414, 116032. doi:10.1016/j.icarus.2024.116032

Sublimation and infrared spectral properties of ammonium cyanide

Gerakines, P. A., Yarnall, Y. Y., & Hudson, R. L. (2024). Sublimation and infrared spectral properties of ammonium cyanide. Icarus, 413, 116007. doi:10.1016/j.icarus.2024.116007

Report of the 6th (Virtual) Meeting on the Planetary Protection Knowledge Gaps for Human Missions to Mars on June 1–2, 2022

Spry, J. A., Siegel, B., Kminek, G., Baker, A., Beltran, E., Courtney, M., … Rettberg, P. (2024). Report of the 6th (Virtual) Meeting on the Planetary Protection Knowledge Gaps for Human Missions to Mars on June 1–2, 2022. Life Sciences in Space Research, 41, 158–165. doi:10.1016/j.lssr.2024.02.001

April 2024Snow viruses and their implications on red snow algal blooms

Barno, A. R., Green, K., Rohwer, F., & Silveira, C. B. (2024). Snow viruses and their implications on red snow algal blooms. mSystems. doi:10.1128/msystems.00083-24

Hyper Illumination of Exoplanets: Analytical and Numerical Approaches

Carter, J. L., Perera, R. D., & Way, M. J. (2024). Hyper Illumination of Exoplanets: Analytical and Numerical Approaches. The Astronomical Journal, 167(5), 222. doi:10.3847/1538-3881/ad33c1

Oxygen Isotopic Variations in the Calcium, Aluminum-rich Inclusion–forming Region Recorded by a Single Refractory Inclusion from the CO3.1 Carbonaceous Chondrite Dar al Gani 083

Ebert, S., Nagashima, K., Krot, A. N., Patzek, M., & Bischoff, A. (2024). Oxygen Isotopic Variations in the Calcium, Aluminum-rich Inclusion–forming Region Recorded by a Single Refractory Inclusion from the CO3.1 Carbonaceous Chondrite Dar al Gani 083. The Astrophysical Journal, 966(1), 10. doi:10.3847/1538-4357/ad2ea8

Synthetic aperture radar backscatter is influenced by bubbles at the ice/water interface of an Antarctic lake

Gaudreau, A., Lacelle, D., & Andersen, D. T. (2024). Synthetic aperture radar backscatter is influenced by bubbles at the ice/water interface of an Antarctic lake. Communications Earth & Environment, 5(1), None. doi:10.1038/s43247-024-01370-2

Ice chemistry modeling of active phase comets: Hale-Bopp

Willis, E. R., Christianson, D. A., & Garrod, R. T. (2024). Ice chemistry modeling of active phase comets: Hale-Bopp. Icarus, None, 116097. doi:10.1016/j.icarus.2024.116097

Measurements of Titan’s Stratospheric Winds during the 2009 Equinox with the eSMA

Light, S., Gurwell, M., Thelen, A., Lombardo, N. A., & Nixon, C. (2024). Measurements of Titan’s Stratospheric Winds during the 2009 Equinox with the eSMA. The Planetary Science Journal, 5(4), 98. doi:10.3847/psj/ad3355

Moderate D/H ratios in methane ice on Eris and Makemake as evidence of hydrothermal or metamorphic processes in their interiors: Geochemical analysis

Glein, C. R., Grundy, W. M., Lunine, J. I., Wong, I., Protopapa, S., Pinilla-Alonso, N., … Souza-Feliciano, A. C. (2024). Moderate D/H ratios in methane ice on Eris and Makemake as evidence of hydrothermal or metamorphic processes in their interiors: Geochemical analysis. Icarus, 412, 115999. doi:10.1016/j.icarus.2024.115999

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