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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December 2020Development of high technology readiness level, all-reflective spatial heterodyne spectrometers for high resolving power/etendue remote sensing of extended emissions in the NUV to EUV

Harris, W. M. (2020). Development of high technology readiness level, all-reflective spatial heterodyne spectrometers for high resolving power/etendue remote sensing of extended emissions in the NUV to EUV. Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray. doi:10.1117/12.2563045

The proto-Nucleic Acid Builder: a software tool for constructing nucleic acid analogs

Alenaizan, A., Barnett, J. L., Hud, N. V., Sherrill, C. D., & Petrov, A. S. (2020). The proto-Nucleic Acid Builder: a software tool for constructing nucleic acid analogs. Nucleic Acids Research. doi:10.1093/nar/gkaa1159

Extraterrestrial hexamethylenetetramine in meteorites—a precursor of prebiotic chemistry in the inner solar system

Oba, Y., Takano, Y., Naraoka, H., Furukawa, Y., Glavin, D. P., Dworkin, J. P., & Tachibana, S. (2020). Extraterrestrial hexamethylenetetramine in meteorites—a precursor of prebiotic chemistry in the inner solar system. Nature Communications, 11(1), None. doi:10.1038/s41467-020-20038-x

Influence of Neptune’s Migration Parameters on the Inclination Distribution of Kuiper Belt Objects (KBOs)

Nesvorný, D. (2020). Influence of Neptune’s Migration Parameters on the Inclination Distribution of Kuiper Belt Objects (KBOs). Research Notes of the AAS, 4(12), 212. doi:10.3847/2515-5172/abceb0

How the first life on Earth survived its biggest threat — water

Marshall, M. (2020). How the first life on Earth survived its biggest threat — water. Nature, 588(7837), 210–213. doi:10.1038/d41586-020-03461-4

Conodont calcium isotopic evidence for multiple shelf acidification events during the early Triassic

Song, H., Song, H., Tong, J., Gordon, G. W., Wignall, P. B., Tian, L., … Anbar, A. D. (2020). Conodont calcium isotopic evidence for multiple shelf acidification events during the early Triassic. Chemical Geology, None, 120038. doi:10.1016/j.chemgeo.2020.120038

November 2020Orbital evolution of potentially habitable planets of tidally interacting binary stars

Graham, D., Fleming, D., & Barnes, R. (2020). Orbital evolution of potentially habitable planets of tidally interacting binary stars. Astronomy & Astrophysics. doi:10.1051/0004-6361/202038940

Europa Clipper Planetary Protection Probabilistic Risk Assessment Summary

McCoy, K. J., DiNicola, M., Everline, C., Burgoyne, H., Reinholtz, K., & Clement, B. (2020). Europa Clipper Planetary Protection Probabilistic Risk Assessment Summary. Planetary and Space Science, None, 105139. doi:10.1016/j.pss.2020.105139

Anoxic iron and sulphur cycling in the cGENIE.muffin Earth system model (v0.9.16)

Van De Velde, S. J., Hülse, D., Reinhard, C. T., & Ridgwell, A. (2020). Anoxic iron and sulphur cycling in the cGENIE.muffin Earth system model (v0.9.16). None. doi:10.5194/gmd-2020-312

In Situ Growth of Halophilic Bacteria in Saline Fracture Fluids from 2.4 km below Surface in the Deep Canadian Shield

Wilpiszeski, R. L., Sherwood Lollar, B., Warr, O., & House, C. H. (2020). In Situ Growth of Halophilic Bacteria in Saline Fracture Fluids from 2.4 km below Surface in the Deep Canadian Shield. Life, 10(12), 307. doi:10.3390/life10120307

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