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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February 2011Opportunity Mars Rover mission: Overview and selected results from Purgatory ripple to traverses to Endeavour crater

Arvidson, R. E., Ashley, J. W., Bell, J. F., Chojnacki, M., Cohen, J., Economou, T. E., … Farrand, W. H. (2011). Journal of Geophysical Research, 116(None), None. doi:10.1029/2010je003746

POLYCYCLIC AROMATIC HYDROCARBON FAR-INFRARED SPECTROSCOPY

Boersma, C., Bauschlicher, C. W., Ricca, A., Mattioda, A. L., Peeters, E., Tielens, A. G. G. M., & Allamandola, L. J. (2011). The Astrophysical Journal, 729(1), 64. doi:10.1088/0004-637x/729/1/64

Uranium Isotope Fractionation during Adsorption to Mn-Oxyhydroxides

Brennecka, G. A., Wasylenki, L. E., Bargar, J. R., Weyer, S., & Anbar, A. D. (2011). Environ. Sci. Technol., 45(4), 1370–1375. doi:10.1021/es103061v

Molecular signature of chitin-protein complex in Paleozoic arthropods

Cody, G. D., Gupta, N. S., Briggs, D. E. G., Kilcoyne, A. L. D., Summons, R. E., Kenig, F., … Plotnick, R. E. (2011). Geology, 39(3), 255–258. doi:10.1130/g31648.1

VIEWS FROM EPOXI : COLORS IN OUR SOLAR SYSTEM AS AN ANALOG FOR EXTRASOLAR PLANETS

Crow, C. A., McFadden, L. A., Robinson, T., Meadows, V. S., Livengood, T. A., Hewagama, T., … Barry, R. K. (2011). The Astrophysical Journal, 729(2), 130. doi:10.1088/0004-637x/729/2/130

Reply to Butterfield: The Devonian radiation of large predatory fish coincided with elevated atmospheric oxygen levels

Dahl, T. W., Hammarlund, E. U., Anbar, A. D., Bond, D. P. G., Gill, B. C., Gordon, G. W., … Knoll, A. H. (2011). Proceedings of the National Academy of Sciences, 108(9), E29–E29. doi:10.1073/pnas.1018818108

A wide variety of putative extremophiles and large beta-diversity at the Mars Desert Research Station (Utah)

Direito, S. O. L., Ehrenfreund, P., Marees, A., Staats, M., Foing, B., & Röling, W. F. M. (2011). International Journal of Astrobiology, 10(03), 191–207. doi:10.1017/s1473550411000012

Tidal obliquity evolution of potentially habitable planets

Heller, R., Leconte, J., & Barnes, R. (2011). A&A, 528(None), A27. doi:10.1051/0004-6361/201015809

Bayesian Estimation of Substitution Rates from Ancient DNA Sequences with Low Information Content

Ho, S. Y. W., Lanfear, R., Phillips, M. J., Barnes, I., Thomas, J. A., Kolokotronis, S-O., & Shapiro, B. (2011). Systematic Biology, 60(3), 366–375. doi:10.1093/sysbio/syq099

THE NASA-UC ETA-EARTH PROGRAM. III. A SUPER-EARTH ORBITING HD 97658 AND A NEPTUNE-MASS PLANET ORBITING Gl 785

Howard, A. W., Johnson, J. A., Marcy, G. W., Fischer, D. A., Wright, J. T., Henry, G. W., … Isaacson, H. (2011). The Astrophysical Journal, 730(1), 10. doi:10.1088/0004-637x/730/1/10

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