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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August 2016Ecological differentiation in planktonic and sediment-associated chemotropic microbial populations in Yellowstone hot springs

Colman, D. R., Feyhl-Buska, J., Robinson, K. J., Fecteau, K. M., Xu, H., Shock, E. L., & Boyd, E. S. (2016). Ecological differentiation in planktonic and sediment-associated chemotropic microbial populations in Yellowstone hot springs. FEMS Microbiology Ecology, 92(10), fiw168. doi:10.1093/femsec/fiw168

Influence of Growth Phase, pH, and Temperature on the Abundance and Composition of Tetraether Lipids in the Thermoacidophile Picrophilus torridus

Feyhl-Buska, J., Chen, Y., Jia, C., Wang, J-X., Zhang, C. L., & Boyd, E. S. (2016). Influence of Growth Phase, pH, and Temperature on the Abundance and Composition of Tetraether Lipids in the Thermoacidophile Picrophilus torridus. Frontiers in Microbiology, 7, None. doi:10.3389/fmicb.2016.01323

Using Dendritic Heat Maps to Simultaneously Display Genotype Divergence with Phenotype Divergence

Kellom, M., & Raymond, J. (2016). Using Dendritic Heat Maps to Simultaneously Display Genotype Divergence with Phenotype Divergence. PLoS ONE, 11(8), e0161292. doi:10.1371/journal.pone.0161292

Quantitation of α-hydroxy acids in complex prebiotic mixtures via liquid chromatography/tandem mass spectrometry

Parker, E. T., Cleaves, H. J., Bada, J. L., & Fernández, F. M. (2016). Quantitation of α-hydroxy acids in complex prebiotic mixtures via liquid chromatography/tandem mass spectrometry. Rapid Communications in Mass Spectrometry, 30(18), 2043–2051. doi:10.1002/rcm.7684

The [4Fe-4S] clusters of Rpo3 are key determinants in the post Rpo3/Rpo11 heterodimer formation of RNA polymerase inMethanosarcina acetivorans

Jennings, M. E., Lessner, F. H., Karr, E. A., & Lessner, D. J. (2016). The [4Fe-4S] clusters of Rpo3 are key determinants in the post Rpo3/Rpo11 heterodimer formation of RNA polymerase inMethanosarcina acetivorans. MicrobiologyOpen, 6(1), e00399. doi:10.1002/mbo3.399

Abiologic silicon isotope fractionation between aqueous Si and Fe(III)–Si gel in simulated Archean seawater: Implications for Si isotope records in Precambrian sedimentary rocks

Zheng, X-Y., Beard, B. L., Reddy, T. R., Roden, E. E., & Johnson, C. M. (2016). Geochimica et Cosmochimica Acta, 187(None), 102–122. doi:10.1016/j.gca.2016.05.012

July 2016Molecular biosignatures reveal common benthic microbial sources of organic matter in ooids and grapestones from Pigeon Cay, The Bahamas

O'Reilly, S. S., Mariotti, G., Winter, A. R., Newman, S. A., Matys, E. D., McDermott, F., … Klepac-Ceraj, V. (2016). Molecular biosignatures reveal common benthic microbial sources of organic matter in ooids and grapestones from Pigeon Cay, The Bahamas. Geobiology, 15(1), 112–130. doi:10.1111/gbi.12196

Earth’s oxygen cycle and the evolution of animal life

Reinhard, C. T., Planavsky, N. J., Olson, S. L., Lyons, T. W., & Erwin, D. H. (2016). Earth’s oxygen cycle and the evolution of animal life. Proceedings of the National Academy of Sciences, 113(32), 8933–8938. doi:10.1073/pnas.1521544113

A Fossilized Energy Distribution of Lightning

Pasek, M. A., & Hurst, M. (2016). A Fossilized Energy Distribution of Lightning. Scientific Reports, 6, 30586. doi:10.1038/srep30586

Analysis of the bacteriorhodopsin-producing haloarchaea reveals a core community that is stable over time in the salt crystallizers of Eilat, Israel

Ram-Mohan, N., Oren, A., & Thane Papke, R. (2016). Analysis of the bacteriorhodopsin-producing haloarchaea reveals a core community that is stable over time in the salt crystallizers of Eilat, Israel. Extremophiles, 20(5), 747–757. doi:10.1007/s00792-016-0864-4

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