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 2009The Magnetic Field of Mercury

Anderson, B. J., AcuñA, M. H., Korth, H., Slavin, J. A., Uno, H., Johnson, C. L., … Purucker, M. E. (2009). Space Sci Rev, 152(1-4), 307–339. doi:10.1007/s11214-009-9544-3

Manganese- and Iron-Dependent Marine Methane Oxidation

Beal, E. J., House, C. H., & Orphan, V. J. (2009). Science, 325(5937), 184–187. doi:10.1126/science.1169984

Abundant transposases encoded by the metagenome of a hydrothermal chimney biofilm

Brazelton, W. J., & Baross, J. A. (2009). ISME J, 3(12), 1420–1424. doi:10.1038/ismej.2009.79

Microbial community structure in the North Pacific ocean

Brown, M. V., Philip, G. K., Bunge, J. A., Smith, M. C., Bissett, A., Lauro, F. M., … Fuhrman, J. A. (2009). ISME J, 3(12), 1374–1386. doi:10.1038/ismej.2009.86

ALIEN MAPS OF AN OCEAN-BEARING WORLD

Cowan, N. B., Agol, E., Meadows, V. S., Robinson, T., Livengood, T. A., Deming, D., … Lisse, C. M. (2009). The Astrophysical Journal, 700(2), 915–923. doi:10.1088/0004-637x/700/2/915

Climate as a Driver of Evolutionary Change

Erwin, D. H. (2009). Current Biology, 19(14), R575–R583. doi:10.1016/j.cub.2009.05.047

Early origin of the bilaterian developmental toolkit

Erwin, D. H. (2009). Philosophical Transactions of the Royal Society B: Biological Sciences, 364(1527), 2253–2261. doi:10.1098/rstb.2009.0038

Pore-fluid Fe isotopes reflect the extent of benthic Fe redox recycling: Evidence from continental shelf and deep-sea sediments

Homoky, W. B., Severmann, S., Mills, R. A., Statham, P. J., & Fones, G. R. (2009). Geology, 37(8), 751–754. doi:10.1130/g25731a.1

Peeling the Onion: Ribosomes Are Ancient Molecular Fossils

Hsiao, C., Mohan, S., Kalahar, B. K., & Williams, L. D. (2009). Molecular Biology and Evolution, 26(11), 2415–2425. doi:10.1093/molbev/msp163

Aqueous geochemistry and oxygen isotope compositions of acid mine drainage from the Río Tinto, SW Spain, highlight inconsistencies in current models

Hubbard, C. G., Black, S., & Coleman, M. L. (2009). Chemical Geology, 265(3-4), 321–334. doi:10.1016/j.chemgeo.2009.04.009

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