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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January 2021Could Uranus and Neptune form by collisions of planetary embryos?

Chau, A., Reinhardt, C., Izidoro, A., Stadel, J., & Helled, R. (2021). Could Uranus and Neptune form by collisions of planetary embryos? Monthly Notices of the Royal Astronomical Society, 502(2), 1647–1660. doi:10.1093/mnras/staa4021

Transition metals enhance prebiotic depsipeptide oligomerization reactions involving histidine

Frenkel-Pinter, M., Sargon, A. B., Glass, J. B., Hud, N. V., & Williams, L. D. (2021). Transition metals enhance prebiotic depsipeptide oligomerization reactions involving histidine. RSC Advances, 11(6), 3534–3538. doi:10.1039/d0ra07965k

A very early origin of isotopically distinct nitrogen in inner Solar System protoplanets

Grewal, D. S., Dasgupta, R., & Marty, B. (2021). A very early origin of isotopically distinct nitrogen in inner Solar System protoplanets. Nature Astronomy, 5(4), 356–364. doi:10.1038/s41550-020-01283-y

Elemental Abundances of Major Elements in the Solar Wind as Measured in Genesis Targets and Implications on Solar Wind Fractionation

Heber, V. S., McKeegan, K. D., Steele, R. C. J., Jurewicz, A. J. G., Rieck, K. D., Guan, Y., … Burnett, D. S. (2021). Elemental Abundances of Major Elements in the Solar Wind as Measured in Genesis Targets and Implications on Solar Wind Fractionation. The Astrophysical Journal, 907(1), 15. doi:10.3847/1538-4357/abc94a

Orthogonal translation enables heterologous ribosome engineering in E. coli

Kolber, N. S., Fattal, R., Bratulic, S., Carver, G. D., & Badran, A. H. (2021). Orthogonal translation enables heterologous ribosome engineering in E. coli. Nature Communications, 12(1), None. doi:10.1038/s41467-020-20759-z

Habitability: a process versus a state variable framework with observational tests and theoretical implications

Lenardic, A., & Seales, J. (2021). Habitability: a process versus a state variable framework with observational tests and theoretical implications. International Journal of Astrobiology, 20(2), 125–132. doi:10.1017/s1473550420000415

Quantum Chemical Cluster Studies of Cation–Ice Reactions for Astrochemical Applications: Seeking Experimental Confirmation

Woon, D. E. (2021). Quantum Chemical Cluster Studies of Cation–Ice Reactions for Astrochemical Applications: Seeking Experimental Confirmation. Accounts of Chemical Research. doi:10.1021/acs.accounts.0c00717

December 2020Persistence of flare-driven atmospheric chemistry on rocky habitable zone worlds

Chen, H., Zhan, Z., Youngblood, A., Wolf, E. T., Feinstein, A. D., & Horton, D. E. (2020). Persistence of flare-driven atmospheric chemistry on rocky habitable zone worlds. Nature Astronomy. doi:10.1038/s41550-020-01264-1

Crystallization histories of the group IIF iron meteorites and Eagle Station pallasites

Hilton, C. D., Ash, R. D., & Walker, R. J. (2020). Crystallization histories of the group IIF iron meteorites and Eagle Station pallasites. Meteoritics & Planetary Science. doi:10.1111/maps.13602

High burial efficiency is required to explain mass balance in Earth's early carbon cycle

Kipp, M., Krissansen‐Totton, J., & Catling, D. C. (2020). High burial efficiency is required to explain mass balance in Earth's early carbon cycle. Global Biogeochemical Cycles. doi:10.1029/2020gb006707

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