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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May 2011EXOZODIACAL DUST LEVELS FOR NEARBY MAIN-SEQUENCE STARS: A SURVEY WITH THE KECK INTERFEROMETER NULLER

Millan-Gabet, R., Serabyn, E., Mennesson, B., Traub, W. A., Barry, R. K., Danchi, W. C., … Kuchner, M. (2011). The Astrophysical Journal, 734(1), 67. doi:10.1088/0004-637x/734/1/67

Differentiation of planetesimals and the thermal consequences of melt migration

Moskovitz, N., & Gaidos, E. (2011). Meteoritics & Planetary Science, 46(6), 903–918. doi:10.1111/j.1945-5100.2011.01201.x

TEMPORAL AND SPATIAL ASPECTS OF GAS RELEASE DURING THE 2010 APPARITION OF COMET 103P/HARTLEY 2

Mumma, M. J., Bonev, B. P., Villanueva, G. L., Paganini, L., DiSanti, M. A., Gibb, E. L., … Keane, J. V. (2011). The Astrophysical Journal, 734(1), L7. doi:10.1088/2041-8205/734/1/l7

Young poorly crystalline graphite in the >3.8-Gyr-old Nuvvuagittuq banded iron formation

Papineau, D., De Gregorio, B. T., Cody, G. D., O’Neil, J., Steele, A., Stroud, R. M., & Fogel, M. L. (2011). Nature Geosci, 4(6), 376–379. doi:10.1038/ngeo1155

Did sulfate availability facilitate the evolutionary expansion of chlorophyll a+c phytoplankton in the oceans?

Ratti, S., Knoll, A. H., & Giordano, M. (2011). Geobiology, 9(4), 301–312. doi:10.1111/j.1472-4669.2011.00284.x

Debris disks as signposts of terrestrial planet formation

Raymond, S. N., Armitage, P. J., Moro-Martín, A., Booth, M., Wyatt, M. C., Armstrong, J. C., … Mandell, A. M. (2011). A&A, 530(None), A62. doi:10.1051/0004-6361/201116456

Aragonite Kinetics in Dilute Solutions

Romanek, C. S., Morse, J. W., & Grossman, E. L. (2011). Aquat Geochem, 17(4-5), 339–356. doi:10.1007/s10498-011-9127-2

Field-portable Mossbauer spectroscopy on Earth, the Moon, Mars, and beyond

Schroder, C., Klingelhofer, G., Morris, R. V., Bernhardt, B., Blumers, M., Fleischer, I., … Rodionov, D. S. (2011). Geochemistry: Exploration, Environment, Analysis, 11(2), 129–143. doi:10.1144/1467-7873/09-iags-018

Hydrothermal systems in peridotites at slow-spreading ridges. Modeling phase transformations and material balance: Role of gabbroids

Silantyev, S. A., Novoselov, A. A., & Mironenko, M. V. (2011). Petrology, 19(3), 217–236. doi:10.1134/s0869591111030027

Molecular paleobiological insights into the origin of the Brachiopoda

Sperling, E. A., Pisani, D., & Peterson, K. J. (2011). Evolution & Development, 13(3), 290–303. doi:10.1111/j.1525-142x.2011.00480.x

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