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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August 2011V405 ANDROMEDA REVISITED

Ribeiro, T., Baptista, R., & Kafka, S. (2011). The Astronomical Journal, 142(4), 106. doi:10.1088/0004-6256/142/4/106

KEPLER EXOPLANET CANDIDATE HOST STARS ARE PREFERENTIALLY METAL RICH

Schlaufman, K. C., & Laughlin, G. (2011). The Astrophysical Journal, 738(2), 177. doi:10.1088/0004-637x/738/2/177

A SOUTHERN SKY AND GALACTIC PLANE SURVEY FOR BRIGHT KUIPER BELT OBJECTS

Sheppard, S. S., Udalski, A., Trujillo, C., Kubiak, M., Pietrzynski, G., Poleski, R., … Soszynski, I. (2011). The Astronomical Journal, 142(4), 98. doi:10.1088/0004-6256/142/4/98

Effect of electron donors on the fractionation of sulfur isotopes by a marine Desulfovibrio sp.

Sim, M. S., Ono, S., Donovan, K., Templer, S. P., & Bosak, T. (2011). Geochimica et Cosmochimica Acta, 75(15), 4244–4259. doi:10.1016/j.gca.2011.05.021

Advances in understanding archaea-virus interactions in controlled and natural environments

Snyder, J. C., & Young, M. J. (2011). Current Opinion in Microbiology, 14(4), 497–503. doi:10.1016/j.mib.2011.07.007

Revisiting HCN formation in Earth's early atmosphere

Tian, F., Kasting, J. F., & Zahnle, K. (2011). Earth and Planetary Science Letters, 308(3-4), 417–423. doi:10.1016/j.epsl.2011.06.011

Three-Dimensional Structure of Hayabusa Samples: Origin and Evolution of Itokawa Regolith

Tsuchiyama, A., Uesugi, M., Matsushima, T., Michikami, T., Kadono, T., Nakamura, T., … Uesugi, K. (2011). Science, 333(6046), 1125–1128. doi:10.1126/science.1207807

Biologically induced initiation of Neoproterozoic snowball-Earth events

Tziperman, E., Halevy, I., Johnston, D. T., Knoll, A. H., & Schrag, D. P. (2011). Proceedings of the National Academy of Sciences, 108(37), 15091–15096. doi:10.1073/pnas.1016361108

Ethane in planetary and cometary atmospheres: Transmittance and fluorescence models of the ν 7 band at 3.3 μ m

Villanueva, G. L., Mumma, M. J., & Magee-Sauer, K. (2011). Journal of Geophysical Research, 116(E8), None. doi:10.1029/2010je003794

Microaerobic steroid biosynthesis and the molecular fossil record of Archean life

Waldbauer, J. R., Newman, D. K., & Summons, R. E. (2011). Proceedings of the National Academy of Sciences, 108(33), 13409–13414. doi:10.1073/pnas.1104160108

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