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 2012ON THE DETECTABILITY OF STAR-PLANET INTERACTION

Miller, B. P., Gallo, E., Wright, J. T., & Dupree, A. K. (2012). The Astrophysical Journal, 754(2), 137. doi:10.1088/0004-637x/754/2/137

Selenium as paleo-oceanographic proxy: A first assessment

Mitchell, K., Mason, P. R. D., Van Cappellen, P., Johnson, T. M., Gill, B. C., Owens, J. D., … Diaz, J. (2012). Geochimica et Cosmochimica Acta, 89(None), 302–317. doi:10.1016/j.gca.2012.03.038

Divergence and Phylogeny of Firmicutes from the Cuatro Ciénegas Basin, Mexico: A Window to an Ancient Ocean

Moreno-Letelier, A., Olmedo-Alvarez, G., Eguiarte, L. E., & Souza, V. (2012). Astrobiology, 12(7), 674–684. doi:10.1089/ast.2011.0685

Origin of metazoan cadherin diversity and the antiquity of the classical cadherin/ -catenin complex

Nichols, S. A., Roberts, B. W., Richter, D. J., Fairclough, S. R., & King, N. (2012). Proceedings of the National Academy of Sciences, 109(32), 13046–13051. doi:10.1073/pnas.1120685109

Spatially Resolved Genomic, Stable Isotopic, and Lipid Analyses of a Modern Freshwater Microbialite from Cuatro Ciénegas, Mexico

Nitti, A., Daniels, C. A., Siefert, J., Souza, V., Hollander, D., & Breitbart, M. (2012). Astrobiology, 12(7), 685–698. doi:10.1089/ast.2011.0812

Comparative Metagenomics of Two Microbial Mats at Cuatro Ciénegas Basin I: Ancient Lessons on How to Cope with an Environment Under Severe Nutrient Stress

Peimbert, M., Alcaraz, L. D., Bonilla-Rosso, G., Olmedo-Alvarez, G., GarcíA-Oliva, F., Segovia, L., … Eguiarte, L. E. (2012). Astrobiology, 12(7), 648–658. doi:10.1089/ast.2011.0694

THE INFRARED SPECTROSCOPY OF COMPACT POLYCYCLIC AROMATIC HYDROCARBONS CONTAINING UP TO 384 CARBONS

Ricca, A., Bauschlicher, C. W., Boersma, C., Tielens, A. G. G. M., & Allamandola, L. J. (2012). The Astrophysical Journal, 754(1), 75. doi:10.1088/0004-637x/754/1/75

Gypsum-Permineralized Microfossils and Their Relevance to the Search for Life on Mars

Schopf, J. W., Farmer, J. D., Foster, I. S., Kudryavtsev, A. B., Gallardo, V. A., & Espinoza, C. (2012). Astrobiology, 12(7), 619–633. doi:10.1089/ast.2012.0827

Microbial Stowaways: Inimitable Survivors or Hopeless Pioneers?

Siefert, J. L., Souza, V., Eguiarte, L., & Olmedo-Alvarez, G. (2012). Astrobiology, 12(7), 710–715. doi:10.1089/ast.2012.0833

Travel, Sex, and Food: What's Speciation Got to Do with It?

Souza, V., Eguiarte, L. E., Travisano, M., Elser, J. J., Rooks, C., & Siefert, J. L. (2012). Astrobiology, 12(7), 634–640. doi:10.1089/ast.2011.0768

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