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 2010Evidence for Young Volcanism on Mercury from the Third MESSENGER Flyby

Prockter, L. M., Ernst, C. M., Denevi, B. W., Chapman, C. R., Head, J. W., Fassett, C. I., … Merline, W. J. (2010). Science, 329(5992), 668–671. doi:10.1126/science.1188186

THE LICK-CARNEGIE EXOPLANET SURVEY: A URANUS-MASS FOURTH PLANET FOR GJ 876 IN AN EXTRASOLAR LAPLACE CONFIGURATION

Rivera, E. J., Laughlin, G., Butler, R. P., Vogt, S. S., Haghighipour, N., & Meschiari, S. (2010). The Astrophysical Journal, 719(1), 890–899. doi:10.1088/0004-637x/719/1/890

A renaissance in studies of ancient life

Schopf, J. W., & Kudryavtsev, A. B. (2010). Geology Today, 26(4), 140–145. doi:10.1111/j.1365-2451.2010.00760.x

[FeFe]-Hydrogenase Maturation: HydG-Catalyzed Synthesis of Carbon Monoxide

Shepard, E. M., Duffus, B. R., George, S. J., McGlynn, S. E., Challand, M. R., Swanson, K. D., … Roach, P. L. (2010). Journal of the American Chemical Society, 132(27), 9247–9249. doi:10.1021/ja1012273

MESSENGER Observations of Extreme Loading and Unloading of Mercury's Magnetic Tail

Slavin, J. A., Anderson, B. J., Baker, D. N., Benna, M., Boardsen, S. A., Gloeckler, G., … Gold, R. E. (2010). Science, 329(5992), 665–668. doi:10.1126/science.1188067

IMAGING OF A TRANSITIONAL DISK GAP IN REFLECTED LIGHT: INDICATIONS OF PLANET FORMATION AROUND THE YOUNG SOLAR ANALOG LkCa 15

Thalmann, C., Grady, C. A., Goto, M., Wisniewski, J. P., Janson, M., Henning, T., … Fukagawa, M. (2010). The Astrophysical Journal, 718(2), L87–L91. doi:10.1088/2041-8205/718/2/l87

Herschel -PACS observation of the 10 Myr old T Tauri disk TW Hya

Thi, W-F., Mathews, G., Ménard, F., Woitke, P., Meeus, G., Riviere-Marichalar, P., … Pinte, C. (2010). A&A, 518(None), L125. doi:10.1051/0004-6361/201014578

Photochemical and climate consequences of sulfur outgassing on early Mars

Tian, F., Claire, M. W., Haqq-Misra, J. D., Smith, M., Crisp, D. C., Catling, D., … Zahnle, K. (2010). Earth and Planetary Science Letters, 295(3-4), 412–418. doi:10.1016/j.epsl.2010.04.016

Mercury's Complex Exosphere: Results from MESSENGER's Third Flyby

Vervack, R. J., McClintock, W. E., Killen, R. M., Sprague, A. L., Anderson, B. J., Burger, M. H., … Bradley, E. T. (2010). Science, 329(5992), 672–675. doi:10.1126/science.1188572

Sensitivity analyses of dense cloud chemical models

Wakelam, V., Herbst, E., Le Bourlot, J., Hersant, F., Selsis, F., & Guilloteau, S. (2010). A&A, 517(None), A21. doi:10.1051/0004-6361/200913856

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