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 2011Borate Minerals and Origin of the RNA World

Grew, E. S., Bada, J. L., & Hazen, R. M. (2011). Borate Minerals and Origin of the RNA World. Origins of Life and Evolution of Biospheres, 41(4), 307–316. doi:10.1007/s11084-010-9233-y

High rates of anaerobic methanotrophy at low sulfate concentrations with implications for past and present methane levels

Beal, E. J., Claire, M. W., & House, C. H. (2011). Geobiology, None(None), no–no. doi:10.1111/j.1472-4669.2010.00267.x

Metagenomics of the subsurface Brazos-Trinity Basin (IODP site 1320): comparison with other sediment and pyrosequenced metagenomes

Biddle, J. F., White, J. R., Teske, A. P., & House, C. H. (2011). ISME J, 5(6), 1038–1047. doi:10.1038/ismej.2010.199

CHARACTERISTICS OF KEPLER PLANETARY CANDIDATES BASED ON THE FIRST DATA SET

Borucki, W. J., Koch, D. G., Basri, G., Batalha, N., Boss, A., Brown, T. M., … Caldwell, D. (2011). The Astrophysical Journal, 728(2), 117. doi:10.1088/0004-637x/728/2/117

microRNA complements in deuterostomes: origin and evolution of microRNAs

Campo-Paysaa, F., Sémon, M., Cameron, R. A., Peterson, K. J., & Schubert, M. (2011). Evolution & Development, 13(1), 15–27. doi:10.1111/j.1525-142x.2010.00452.x

Phylogenetic and molecular clock inferences of cyanobacterial strains within Rivulariaceae from distant environments

Domínguez-Escobar, J., Beltrán, Y., Bergman, B., Díez, B., Ininbergs, K., Souza, V., & Falcón, L. I. (2011). FEMS Microbiology Letters, 316(2), 90–99. doi:10.1111/j.1574-6968.2010.02195.x

The evolution of organic matter in space

Ehrenfreund, P., Spaans, M., & Holm, N. G. (2011). Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 369(1936), 538–554. doi:10.1098/rsta.2010.0231

Microbial Metagenomics: Beyond the Genome

Gilbert, J. A., & Dupont, C. L. (2011). Annu. Rev. Marine. Sci., 3(1), 347–371. doi:10.1146/annurev-marine-120709-142811

Geochemical evidence for widespread euxinia in the Later Cambrian ocean

Gill, B. C., Lyons, T. W., Young, S. A., Kump, L. R., Knoll, A. H., & Saltzman, M. R. (2011). Nature, 469(7328), 80–83. doi:10.1038/nature09700

J. William Schopf

Grymes, S. E. R. A. (2011). Astrobiology, 11(1), 9–14. doi:10.1089/ast.2010.1129

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