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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October 2009An early productive ocean unfit for aerobics

Lyons, T. W., & Reinhard, C. T. (2009). Proceedings of the National Academy of Sciences, 106(43), 18045–18046. doi:10.1073/pnas.0910345106

Rapid Culture-Independent Microbial Analysis Aboard the International Space Station (ISS)

Maule, J., Wainwright, N., Steele, A., Monaco, L., Morris, H., Gunter, D., … Damon, M. (2009). Astrobiology, 9(8), 759–775. doi:10.1089/ast.2008.0319

Sublacustrine depositional fans in southwest Melas Chasma

Metz, J. M., Grotzinger, J. P., Mohrig, D., Milliken, R., Prather, B., Pirmez, C., … McEwen, A. S. (2009). Journal of Geophysical Research: Planets, 114(E10), n/a–n/a. doi:10.1029/2009je003365

On algorithm for the calculation of the equilibrium composition of water-salt systems on the basis of the Pitzer model

Mironenko, M. V., & Polyakov, V. B. (2009). Geochemistry International, 47(10), 1036–1040. doi:10.1134/s0016702909100073

Solution mechanisms of silicate in aqueous fluid and H2O in coexisting silicate melts determined in-situ at high pressure and high temperature

Mysen, B. O. (2009). Geochimica et Cosmochimica Acta, 73(19), 5748–5763. doi:10.1016/j.gca.2009.06.023

The irradiation of ammonia ice studied by near edge x-ray absorption spectroscopy

Parent, P., Bournel, F., Lasne, J., Lacombe, S., Strazzulla, G., Gardonio, S., … Lizzit, S. (2009). J. Chem. Phys., 131(15), 154308. doi:10.1063/1.3243849

Building the terrestrial planets: Constrained accretion in the inner Solar System

Raymond, S. N., O’Brien, D. P., Morbidelli, A., & Kaib, N. A. (2009). Icarus, 203(2), 644–662. doi:10.1016/j.icarus.2009.05.016

A Late Archean Sulfidic Sea Stimulated by Early Oxidative Weathering of the Continents

Reinhard, C. T., Raiswell, R., Scott, C., Anbar, A. D., & Lyons, T. W. (2009). Science, 326(5953), 713–716. doi:10.1126/science.1176711

Structural Insight into Nascent Polypeptide Chain-Mediated Translational Stalling

Seidelt, B., Innis, C. A., Wilson, D. N., Gartmann, M., Armache, J-P., Villa, E., … Trabuco, L. G. (2009). Science, 326(5958), 1412–1415. doi:10.1126/science.1177662

WATER, METHANE, AND CARBON DIOXIDE PRESENT IN THE DAYSIDE SPECTRUM OF THE EXOPLANET HD 209458b

Swain, M. R., Tinetti, G., Vasisht, G., Deroo, P., Griffith, C., Bouwman, J., … Chen, P. (2009). The Astrophysical Journal, 704(2), 1616–1621. doi:10.1088/0004-637x/704/2/1616

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