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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January 2010Microbial Provinces in the Subseafloor

Schrenk, M. O., Huber, J. A., & Edwards, K. J. (2010). Annu. Rev. Marine. Sci., 2(1), 279–304. doi:10.1146/annurev-marine-120308-081000

Where's the glass? Biomarkers, molecular clocks, and microRNAs suggest a 200-Myr missing Precambrian fossil record of siliceous sponge spicules

Sperling, E. A., Robinson, J. M., Pisani, D., & Peterson, K. J. (2010). Geobiology, 8(1), 24–36. doi:10.1111/j.1472-4669.2009.00225.x

Sound velocities and thermodynamic properties of water to 700 MPa and −10 to 100 °C

Vance, S., & Michael Brown, J. (2010). J. Acoust. Soc. Am., 127(1), 174. doi:10.1121/1.3257223

Biological influences on modern sulfates: Textures and composition of gypsum deposits from Guerrero Negro, Baja California Sur, Mexico

Vogel, M. B., Des Marais, D. J., Parenteau, M. N., Jahnke, L. L., Turk, K. A., & Kubo, M. D. Y. (2010). Sedimentary Geology, 223(3-4), 265–280. doi:10.1016/j.sedgeo.2009.11.013

OXYGEN DEPLETION IN THE INTERSTELLAR MEDIUM: IMPLICATIONS FOR GRAIN MODELS AND THE DISTRIBUTION OF ELEMENTAL OXYGEN

Whittet, D. C. B. (2010). The Astrophysical Journal, 710(2), 1009–1016. doi:10.1088/0004-637x/710/2/1009

Hydrogen Enhances Nickel Tolerance in the Purple Sulfur Bacterium Thiocapsa roseopersicina

Zadvornyy, O. A., Allen, M., Brumfield, S. K., Varpness, Z., Boyd, E. S., Zorin, N. A., … Serebriakova, L. (2010). Environ. Sci. Technol., 44(2), 834–840. doi:10.1021/es901580n

December 2009Anaerobic methane oxidation by archaea/sulfate-reducing bacteria aggregates: 1. Thermodynamic and physical constraints

Alperin, M. J., & Hoehler, T. M. (2009). American Journal of Science, 309(10), 869–957. doi:10.2475/10.2009.01

HOW ECCENTRIC ORBITAL SOLUTIONS CAN HIDE PLANETARY SYSTEMS IN 2:1 RESONANT ORBITS

Anglada-Escudé, G., López-Morales, M., & Chambers, J. E. (2009). The Astrophysical Journal, 709(1), 168–178. doi:10.1088/0004-637x/709/1/168

TRIGGERING COLLAPSE OF THE PRESOLAR DENSE CLOUD CORE AND INJECTING SHORT-LIVED RADIOISOTOPES WITH A SHOCK WAVE. I. VARIED SHOCK SPEEDS

Boss, A. P., Keiser, S. A., Ipatov, S. I., Myhill, E. A., & Vanhala, H. A. T. (2009). The Astrophysical Journal, 708(2), 1268–1280. doi:10.1088/0004-637x/708/2/1268

238U/235U Variations in Meteorites: Extant 247Cm and Implications for Pb-Pb Dating

Brennecka, G. A., Weyer, S., Wadhwa, M., Janney, P. E., Zipfel, J., & Anbar, A. D. (2009). Science, 327(5964), 449–451. doi:10.1126/science.1180871

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