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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November 2018Visions into Voyages for Planetary Science in the Decade 2013-2022

, ., , ., , ., & , . (2018). Visions into Voyages for Planetary Science in the Decade 2013-2022. None. doi:10.17226/25186

Evidence for oxygen-isotope exchange in refractory inclusions from Kaba (CV3.1) carbonaceous chondrite during fluid-rock interaction on the CV parent asteroid

Krot, A. N., Nagashima, K., Fintor, K., & Pál-Molnár, E. (2018). Evidence for oxygen-isotope exchange in refractory inclusions from Kaba (CV3.1) carbonaceous chondrite during fluid-rock interaction on the CV parent asteroid. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2018.11.002

Biosignature Anisotropy Modeled on Temperate Tidally Locked M-dwarf Planets

Chen, H., Wolf, E. T., Kopparapu, R., Domagal-Goldman, S., & Horton, D. E. (2018). Biosignature Anisotropy Modeled on Temperate Tidally Locked M-dwarf Planets. The Astrophysical Journal, 868(1), L6. doi:10.3847/2041-8213/aaedb2

A New Look at T Tauri Star Forbidden Lines: MHD-driven Winds from the Inner Disk

Fang, M., Pascucci, I., Edwards, S., Gorti, U., Banzatti, A., Flock, M., … Dupree, A. K. (2018). A New Look at T Tauri Star Forbidden Lines: MHD-driven Winds from the Inner Disk. The Astrophysical Journal, 868(1), 28. doi:10.3847/1538-4357/aae780

October 2018Mapping Ice Algal Blooms in Southwest Greenland from Space

Wang, S., Tedesco, M., Xu, M., & Alexander, P. M. (2018). Mapping Ice Algal Blooms in Southwest Greenland from Space. Geophysical Research Letters. doi:10.1029/2018gl080455

The NASA Roadmap to Ocean Worlds

Hendrix, A. R., Hurford, T. A., Barge, L. M., Bland, M. T., Bowman, J. S., Brinckerhoff, W., … Vance, S. D. (2018). The NASA Roadmap to Ocean Worlds. Astrobiology. doi:10.1089/ast.2018.1955

Evaluating Climate Sensitivity to CO2 Across Earth's History

Wolf, E. T., Haqq-Misra, J., & Toon, O. B. (2018). Evaluating Climate Sensitivity to CO2 Across Earth's History. Journal of Geophysical Research: Atmospheres. doi:10.1029/2018jd029262

Early Archean planktonic mode of life: Implications from fluid dynamics of lenticular microfossils

Kozawa, T., Sugitani, K., Oehler, D. Z., House, C. H., Saito, I., Watanabe, T., & Gotoh, T. (2018). Early Archean planktonic mode of life: Implications from fluid dynamics of lenticular microfossils. Geobiology. doi:10.1111/gbi.12319

Catalytic abiotic synthesis of uracil from cysteine and urea: Theoretical studies

Mirchi, A., Sizochenko, N., Wang, J., & Leszczynski, J. (2018). Catalytic abiotic synthesis of uracil from cysteine and urea: Theoretical studies. Chemical Physics Letters, 710, 16–25. doi:10.1016/j.cplett.2018.08.057

Anharmonicity and the infrared emission spectrum of highly excited polycyclic aromatic hydrocarbons

Chen, T., Mackie, C., Candian, A., Lee, T. J., & Tielens, A. G. G. M. (2018). Anharmonicity and the infrared emission spectrum of highly excited polycyclic aromatic hydrocarbons. Astronomy & Astrophysics, 618, A49. doi:10.1051/0004-6361/201833731

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