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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July 2017De novo active sites for resurrected Precambrian enzymes

Risso, V. A., Martinez-Rodriguez, S., Candel, A. M., Krüger, D. M., Pantoja-Uceda, D., Ortega-Muñoz, M., … Sanchez-Ruiz, J. M. (2017). De novo active sites for resurrected Precambrian enzymes. Nature Communications, 8, 16113. doi:10.1038/ncomms16113

Petrogenesis of Miller Range 07273, a new type of anomalous melt breccia: Implications for impact effects on the H chondrite asteroid

Ruzicka, A. M., Hutson, M., Friedrich, J. M., Rivers, M. L., Weisberg, M. K., Ebel, D. S., … Dolan, A. A. (2017). Petrogenesis of Miller Range 07273, a new type of anomalous melt breccia: Implications for impact effects on the H chondrite asteroid. Meteoritics & Planetary Science. doi:10.1111/maps.12901

Microbial manganese(III) reduction fuelled by anaerobic acetate oxidation

Szeinbaum, N., Lin, H., Brandes, J. A., Taillefert, M., Glass, J. B., & DiChristina, T. J. (2017). Microbial manganese(III) reduction fuelled by anaerobic acetate oxidation. Environmental Microbiology. doi:10.1111/1462-2920.13829

Assessing the utility of visible-to-shortwave infrared reflectance spectroscopy for analysis of soil weathering intensity and paleoclimate reconstruction

Zhao, L., Hong, H., Liu, J., Fang, Q., Yao, Y., Tan, W., … Algeo, T. J. (2017). Assessing the utility of visible-to-shortwave infrared reflectance spectroscopy for analysis of soil weathering intensity and paleoclimate reconstruction. Palaeogeography, Palaeoclimatology, Palaeoecology. doi:10.1016/j.palaeo.2017.07.007

Constraining the timing of the Great Oxidation Event within the Rubisco phylogenetic tree

Kacar, B., Hanson-Smith, V., Adam, Z. R., & Boekelheide, N. (2017). Constraining the timing of the Great Oxidation Event within the Rubisco phylogenetic tree. Geobiology, 15(5), 628–640. doi:10.1111/gbi.12243

Increased mud deposition reduces stromatolite complexity

Mackey, T. J., Sumner, D. Y., Hawes, I., Jungblut, A. D., Lawrence, J., Leidman, S., & Allen, B. (2017). Increased mud deposition reduces stromatolite complexity. Geology, 45(7), 663–666. doi:10.1130/g38890.1

June 2017The influence of meridional ice transport on Europa's ocean stratification and heat content

Zhu, P., Manucharyan, G. E., Thompson, A. F., Goodman, J. C., & Vance, S. D. (2017). The influence of meridional ice transport on Europa's ocean stratification and heat content. Geophysical Research Letters, 44(12), 5969–5977. doi:10.1002/2017gl072996

Characterizing cosmochemical materials with genetic affinities to the Earth: Genetic and chronological diversity within the IAB iron meteorite complex

Worsham, E. A., Bermingham, K. R., & Walker, R. J. (2017). Characterizing cosmochemical materials with genetic affinities to the Earth: Genetic and chronological diversity within the IAB iron meteorite complex. Earth and Planetary Science Letters, 467, 157–166. doi:10.1016/j.epsl.2017.02.044

Silicate-Promoted Phosphorylation of Glycerol in Non-Aqueous Solvents: A Prebiotically Plausible Route to Organophosphates

Gull, M., Cafferty, B., Hud, N., & Pasek, M. (2017). Silicate-Promoted Phosphorylation of Glycerol in Non-Aqueous Solvents: A Prebiotically Plausible Route to Organophosphates. Life, 7(3), 29. doi:10.3390/life7030029

Adsorption of Water, Methanol, and Formic Acid on Fe2NiP, a Meteoritic Mineral Analogue

Qasim, D., Vlasak, L., Pital, A., Beckman, T., Mutanda, N., & Abbott-Lyon, H. (2017). Adsorption of Water, Methanol, and Formic Acid on Fe2NiP, a Meteoritic Mineral Analogue. The Journal of Physical Chemistry C, 121(25), 13645–13654. doi:10.1021/acs.jpcc.7b01312

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