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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October 2009A major drop in seawater 87Sr/86Sr during the Middle Ordovician (Darriwilian): Links to volcanism and climate?

Young, S. A., Saltzman, M. R., Foland, K. A., Linder, J. S., & Kump, L. R. (2009). Geology, 37(10), 951–954. doi:10.1130/g30152a.1

September 2009Timescales for the evolution of oxygen isotope compositions in the solar nebula

Lyons, J. R., Bergin, E. A., Ciesla, F. J., Davis, A. M., Desch, S. J., Hashizume, K., & Lee, J-E. (2009). Timescales for the evolution of oxygen isotope compositions in the solar nebula. Geochimica et Cosmochimica Acta, 73(17), 4998–5017. doi:10.1016/j.gca.2009.01.041

V1647 ORIONIS: OPTICAL PHOTOMETRIC AND SPECTROSCOPIC MONITORING THROUGH THE 2003-2006 OUTBURST

Aspin, C., & Reipurth, B. (2009). The Astronomical Journal, 138(4), 1137–1158. doi:10.1088/0004-6256/138/4/1137

DETERMINATION OF THE INTERIOR STRUCTURE OF TRANSITING PLANETS IN MULTIPLE-PLANET SYSTEMS

Batygin, K., Bodenheimer, P., & Laughlin, G. (2009). The Astrophysical Journal, 704(1), L49–L53. doi:10.1088/0004-637x/704/1/l49

Composition and Activity of an Autotrophic Fe(II)-Oxidizing, Nitrate-Reducing Enrichment Culture

Blothe, M., & Roden, E. E. (2009). Applied and Environmental Microbiology, 75(21), 6937–6940. doi:10.1128/aem.01742-09

Comparison of ultra-low-frequency waves at Mercury under northward and southward IMF

Boardsen, S. A., Slavin, J. A., Anderson, B. J., Korth, H., & Solomon, S. C. (2009). Geophysical Research Letters, 36(18), None. doi:10.1029/2009gl039525

Cryptic Photosynthesis—Extrasolar Planetary Oxygen Without a Surface Biological Signature

Cockell, C. S., Kaltenegger, L., & Raven, J. A. (2009). Astrobiology, 9(7), 623–636. doi:10.1089/ast.2008.0273

AN ADAPTIVE OPTICS SURVEY FOR CLOSE PROTOSTELLAR BINARIES

Connelley, M. S., Reipurth, B., & Tokunaga, A. T. (2009). The Astronomical Journal, 138(5), 1193–1202. doi:10.1088/0004-6256/138/5/1193

Cometary glycine detected in samples returned by Stardust

Elsila, J. E., Glavin, D. P., & Dworkin, J. P. (2009). Meteoritics & Planetary Science, 44(9), 1323–1330. doi:10.1111/j.1945-5100.2009.tb01224.x

Magnetic cycles of the planet-hosting star τ Bootis - II. A second magnetic polarity reversal

Fares, R., Donati, J-F., Moutou, C., Bohlender, D., Catala, C., Deleuil, M., … Shkolnik, E. (2009). Monthly Notices of the Royal Astronomical Society, 398(3), 1383–1391. doi:10.1111/j.1365-2966.2009.15303.x

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