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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June 2011Joining 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

Linear and circular spectropolarimetry of diffuse interstellar bands

Cox, N. L. J., Ehrenfreund, P., Foing, B. H., D’Hendecourt, L., Salama, F., & Sarre, P. J. (2011). A&A, 531(None), A25. doi:10.1051/0004-6361/201016365

Using Biogenic Sulfur Gases as Remotely Detectable Biosignatures on Anoxic Planets

Domagal-Goldman, S. D., Meadows, V. S., Claire, M. W., & Kasting, J. F. (2011). Astrobiology, 11(5), 419–441. doi:10.1089/ast.2010.0509

The Maria asteroid family: Genetic relationships and a plausible source of mesosiderites near the 3:1 Kirkwood Gap

Fieber-Beyer, S. K., Gaffey, M. J., Kelley, M. S., Reddy, V., Reynolds, C. M., & Hicks, T. (2011). Icarus, 213(2), 524–537. doi:10.1016/j.icarus.2011.03.009

Faint young Sun paradox remains

Goldblatt, C., & Zahnle, K. J. (2011). Nature, 474(7349), E1–E1. doi:10.1038/nature09961

EMISSION LINES FROM THE GAS DISK AROUND TW HYDRA AND THE ORIGIN OF THE INNER HOLE

Gorti, U., Hollenbach, D., Najita, J., & Pascucci, I. (2011). The Astrophysical Journal, 735(2), 90. doi:10.1088/0004-637x/735/2/90

Differential high pressure survival in stationary-phase Escherichia coli MG1655

Griffin, P. L., Kish, A., Steele, A., & Hemley, R. J. (2011). High Pressure Research, 31(2), 325–333. doi:10.1080/08957959.2010.550891

Five new and three improved mutual orbits of transneptunian binaries

Grundy, W. M., Noll, K. S., Nimmo, F., Roe, H. G., Buie, M. W., Porter, S. B., … Benecchi, S. D. (2011). Icarus, 213(2), 678–692. doi:10.1016/j.icarus.2011.03.012

Comparative Assessment of the Composition and Charge State of Nitrogenase FeMo-Cofactor

Harris, T. V., & Szilagyi, R. K. (2011). Inorg. Chem., 50(11), 4811–4824. doi:10.1021/ic102446n

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