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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July 2011Start of the Wilson Cycle at 3 Ga Shown by Diamonds from Subcontinental Mantle

Shirey, S. B., & Richardson, S. H. (2011). Science, 333(6041), 434–436. doi:10.1126/science.1206275

The Prevalence of STIV c92-Like Proteins in Acidic Thermal Environments

Snyder, J. C., Bolduc, B., Bateson, M. M., & Young, M. J. (2011). Advances in Virology, 2011(None), 1–6. doi:10.1155/2011/650930

June 2011Habitable Zone Limits for Dry Planets

Abe, Y., Abe-Ouchi, A., Sleep, N. H., & Zahnle, K. J. (2011). Astrobiology, 11(5), 443–460. doi:10.1089/ast.2010.0545

Stepping stones toward global space exploration

Ansdell, M., Ehrenfreund, P., & McKay, C. (2011). Acta Astronautica, 68(11-12), 2098–2113. doi:10.1016/j.actaastro.2010.10.025

Dimorphism in methane seep-dwelling ecotypes of the largest known bacteria

Bailey, J. V., Salman, V., Rouse, G. W., Schulz-Vogt, H. N., Levin, L. A., & Orphan, V. J. (2011). ISME J, 5(12), 1926–1935. doi:10.1038/ismej.2011.66

HAT-P-27b: A HOT JUPITER TRANSITING A G STAR ON A 3 DAY ORBIT

Béky, B., Bakos, G. Á., Hartman, J., Torres, G., Latham, D. W., Jordán, A., … Arriagada, P. (2011). The Astrophysical Journal, 734(2), 109. doi:10.1088/0004-637x/734/2/109

Optical and infrared colors of transneptunian objects observed with HST

Benecchi, S. D., Noll, K. S., Stephens, D. C., Grundy, W. M., & Rawlins, J. (2011). Icarus, 213(2), 693–709. doi:10.1016/j.icarus.2011.03.005

CHARACTERISTICS OF PLANETARY CANDIDATES OBSERVED BY KEPLER . II. ANALYSIS OF THE FIRST FOUR MONTHS OF DATA

Borucki, W. J., Koch, D. G., Basri, G., Batalha, N., Brown, T. M., Bryson, S. T., … Caldwell, D. (2011). The Astrophysical Journal, 736(1), 19. doi:10.1088/0004-637x/736/1/19

Joining forces: Combined biological and geochemical proxies reveal a complex but refined high-resolution palaeo-oxygen history in Devonian epeiric seas

Boyer, D. L., Owens, J. D., Lyons, T. W., & Droser, M. L. (2011). Palaeogeography, Palaeoclimatology, Palaeoecology, 306(3-4), 134–146. doi:10.1016/j.palaeo.2011.04.012

Production of a Biomimetic Fe (I) -S Phase on Pyrite by Atomic Hydrogen Beam Surface Reactive Scattering

Che, L., Gardenghi, D. J., Szilagyi, R. K., & Minton, T. K. (2011). Langmuir, 27(11), 6814–6821. doi:10.1021/la2002833

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