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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December 2009The absence of endogenic methane on Titan and its implications for the origin of atmospheric nitrogen

Glein, C. R., Desch, S. J., & Shock, E. L. (2009). Icarus, 204(2), 637–644. doi:10.1016/j.icarus.2009.06.020

Target star catalogue for Darwin Nearby Stellar sample for a search for terrestrial planets

Kaltenegger, L., Eiroa, C., & Fridlund, C. V. M. (2009). Astrophysics and Space Science, 326(2), 233–247. doi:10.1007/s10509-009-0223-3

DETECTING PLANETARY GEOCHEMICAL CYCLES ON EXOPLANETS: ATMOSPHERIC SIGNATURES AND THE CASE OF SO 2

Kaltenegger, L., & Sasselov, D. (2009). The Astrophysical Journal, 708(2), 1162–1167. doi:10.1088/0004-637x/708/2/1162

Refining Exoplanet Ephemerides and Transit Observing Strategies

Kane, S. R., Mahadevan, S., Von Braun, K., Laughlin, G., & Ciardi, D. R. (2009). Publications of the Astronomical Society of the Pacific, 121(886), 1386–1394. doi:10.1086/648564

Ocean Acidification in Deep Time

Kump, L., Bralower, T., & Ridgwell, A. (2009). Oceanography, 22(4), 94–107. doi:10.5670/oceanog.2009.100

Temperature effect on the sulfur isotope fractionation during sulfate reduction by two strains of the hyperthermophilic Archaeoglobus fulgidus

Mitchell, K., Heyer, A., Canfield, D. E., Hoek, J., & Habicht, K. S. (2009). Environmental Microbiology, 11(12), 2998–3006. doi:10.1111/j.1462-2920.2009.02002.x

Phyllosilicate Emission from Protoplanetary Disks: Is the Indirect Detection of Extrasolar Water Possible?

Morris, M. A., & Desch, S. J. (2009). Astrobiology, 9(10), 965–978. doi:10.1089/ast.2008.0316

Individual hydrothermal vents at Axial Seamount harbor distinct subseafloor microbial communities

Opatkiewicz, A. D., Butterfield, D. A., & Baross, J. A. (2009). FEMS Microbiology Ecology, 70(3), 413–424. doi:10.1111/j.1574-6941.2009.00747.x

THE FAR-INFRARED SPECTROSCOPY OF VERY LARGE NEUTRAL POLYCYCLIC AROMATIC HYDROCARBONS

Ricca, A., Bauschlicher, C. W., Mattioda, A. L., Boersma, C., & Allamandola, L. J. (2009). The Astrophysical Journal, 709(1), 42–52. doi:10.1088/0004-637x/709/1/42

A SUPER-EARTH ORBITING THE NEARBY SUN-LIKE STAR HD 1461

Rivera, E. J., Butler, R. P., Vogt, S. S., Laughlin, G., Henry, G. W., & Meschiari, S. (2009). The Astrophysical Journal, 708(2), 1492–1499. doi:10.1088/0004-637x/708/2/1492

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