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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March 2011Biological nitrogen fixation in acidic high-temperature geothermal springs in Yellowstone National Park, Wyoming

Hamilton, T. L., Lange, R. K., Boyd, E. S., & Peters, J. W. (2011). Environmental Microbiology, 13(8), 2204–2215. doi:10.1111/j.1462-2920.2011.02475.x

Ultraviolet-Stimulated Fluorescence and Phosphorescence of Aromatic Hydrocarbons in Water Ice

Johnson, P. V., Hodyss, R., Bolser, D. K., Bhartia, R., Lane, A. L., & Kanik, I. (2011). Astrobiology, 11(2), 151–156. doi:10.1089/ast.2010.0568

Analysis of mineral matrices of planetary soil analogues from the Utah Desert

Kotler, J. M., Quinn, R. C., Foing, B. H., Martins, Z., & Ehrenfreund, P. (2011). International Journal of Astrobiology, 10(03), 221–229. doi:10.1017/s1473550411000103

Evaluation of a new fluorimetric DNA–DNA hybridization method

Loveland-Curtze, J., Miteva, V. I., & Brenchley, J. E. (2011). Canadian Journal of Microbiology, 57(3), 250–255. doi:10.1139/w10-121

Hydrothermal ecotones and streamer biofilm communities in the Lower Geyser Basin, Yellowstone National Park

Meyer-Dombard, D. A. R., Swingley, W., Raymond, J., Havig, J., Shock, E. L., & Summons, R. E. (2011). Environmental Microbiology, 13(8), 2216–2231. doi:10.1111/j.1462-2920.2011.02476.x

Parallel Evolution and Horizontal Gene Transfer of the pst Operon in Firmicutes from Oligotrophic Environments

Moreno-Letelier, A., Olmedo, G., Eguiarte, L. E., Martinez-Castilla, L., & Souza, V. (2011). International Journal of Evolutionary Biology, 2011(None), 1–10. doi:10.4061/2011/781642

Multiple sulfur isotope analysis of volatile organic sulfur compounds and their sulfonium precursors in coastal marine environments

Oduro, H., Kamyshny, A., Guo, W., & Farquhar, J. (2011). Marine Chemistry, 124(1-4), 78–89. doi:10.1016/j.marchem.2010.12.004

Evaluating Glutamate and Aspartate Binding Mechanisms to Rutile (α-TiO 2 ) via ATR-FTIR Spectroscopy and Quantum Chemical Calculations

Parikh, S. J., Kubicki, J. D., Jonsson, C. M., Jonsson, C. L., Hazen, R. M., Sverjensky, D. A., & Sparks, D. L. (2011). Langmuir, 27(5), 1778–1787. doi:10.1021/la103826p

mRNA display for the selection and evolution of enzymes from in vitro-translated protein libraries

Seelig, B. (2011). Nature Protocols, 6(4), 540–552. doi:10.1038/nprot.2011.312

Bonding changes in hot fluid hydrogen at megabar pressures

Subramanian, N., Goncharov, A. F., Struzhkin, V. V., Somayazulu, M., & Hemley, R. J. (2011). Proceedings of the National Academy of Sciences, 108(15), 6014–6019. doi:10.1073/pnas.1102760108

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