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 2011Molybdenum evidence for expansive sulfidic water masses in ~750Ma oceans

Dahl, T. W., Canfield, D. E., Rosing, M. T., Frei, R. E., Gordon, G. W., Knoll, A. H., & Anbar, A. D. (2011). Earth and Planetary Science Letters, 311(3-4), 264–274. doi:10.1016/j.epsl.2011.09.016

The Cambrian Conundrum: Early Divergence and Later Ecological Success in the Early History of Animals

Erwin, D. H., Laflamme, M., Tweedt, S. M., Sperling, E. A., Pisani, D., & Peterson, K. J. (2011). Science, 334(6059), 1091–1097. doi:10.1126/science.1206375

Determination of low bacterial concentrations in hyperarid Atacama soils: comparison of biochemical and microscopy methods with real-time quantitative PCR

Fletcher, L. E., Conley, C. A., Valdivia-Silva, J. E., Perez-Montaño, S., Condori-Apaza, R., Kovacs, G. T. A., … Glavin, D. P. (2011). Canadian Journal of Microbiology, 57(11), 953–963. doi:10.1139/w11-091

Microbial hotspots in anchialine blue holes: initial discoveries from the Bahamas

Gonzalez, B. C., Iliffe, T. M., Macalady, J. L., Schaperdoth, I., & Kakuk, B. (2011). Hydrobiologia, 677(1), 149–156. doi:10.1007/s10750-011-0932-9

A Model of Habitability Within the Milky Way Galaxy

Gowanlock, M. G., Patton, D. R., & McConnell, S. M. (2011). Astrobiology, 11(9), 855–873. doi:10.1089/ast.2010.0555

Paleoenvironmental implications of taxonomic variation among δ15N values of chloropigments

Higgins, M. B., Wolfe-Simon, F., Robinson, R. S., Qin, Y., Saito, M. A., & Pearson, A. (2011). Geochimica et Cosmochimica Acta, 75(22), 7351–7363. doi:10.1016/j.gca.2011.04.024

The earliest evidence for anatomically modern humans in northwestern Europe

Higham, T., Compton, T., Stringer, C., Jacobi, R., Shapiro, B., Trinkaus, E., … Chandler, B. (2011). Nature, 479(7374), 521–524. doi:10.1038/nature10484

The Apparent Involvement of ANMEs in Mineral Dependent Methane Oxidation, as an Analog for Possible Martian Methanotrophy

House, C. H., Beal, E. J., & Orphan, V. J. (2011). Life, 1(1), 19–33. doi:10.3390/life1010019

RETIRED A STARS AND THEIR COMPANIONS. VII. 18 NEW JOVIAN PLANETS

Johnson, J. A., Clanton, C., Howard, A. W., Bowler, B. P., Henry, G. W., Marcy, G. W., … Crepp, J. R. (2011). The Astrophysical Journal Supplement Series, 197(2), 26. doi:10.1088/0067-0049/197/2/26

55 CANCRI: A COPLANAR PLANETARY SYSTEM THAT IS LIKELY MISALIGNED WITH ITS STAR

Kaib, N. A., Raymond, S. N., & Duncan, M. J. (2011). The Astrophysical Journal, 742(2), L24. doi:10.1088/2041-8205/742/2/l24

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