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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January 2009Organic compound alteration during hypervelocity collection of carbonaceous materials in aerogel

Spencer, M. K., Clemett, S. J., Sandford, S. A., McKAY, D. S., & Zare, R. N. (2009). Meteoritics & Planetary Science, 44(1), 15–24. doi:10.1111/j.1945-5100.2009.tb00714.x

Thermal escape of carbon from the early Martian atmosphere

Tian, F., Kasting, J. F., & Solomon, S. C. (2009). Geophysical Research Letters, 36(2), n/a–n/a. doi:10.1029/2008gl036513

Did nature also choose arsenic?

Wolfe-Simon, F., Davies, P. C. W., & Anbar, A. D. (2009). Int.Jnl Astrobiol., 8(02), 69. doi:10.1017/s1473550408004394

ESSC-ESF Position Paper—Science-Driven Scenario for Space Exploration: Report from the European Space Sciences Committee (ESSC)

Worms, J-C., Lammer, H., Barucci, A., Beebe, R., Bibring, J-P., Blamont, J., … Blanc, M. (2009). Astrobiology, 9(1), 23–41. doi:10.1089/ast.2007.1226

December 2008TURBULENT CONVECTION IN STELLAR INTERIORS. II. THE VELOCITY FIELD

Arnett, D., Meakin, C., & Young, P. A. (2008). The Astrophysical Journal, 690(2), 1715–1729. doi:10.1088/0004-637x/690/2/1715

A JUPITER-LIKE PLANET ORBITING THE NEARBY M DWARF GJ 832

Bailey, J., Butler, R. P., Tinney, C. G., Jones, H. R. A., O'Toole, S., Carter, B. D., & Marcy, G. W. (2008). The Astrophysical Journal, 690(1), 743–747. doi:10.1088/0004-637x/690/1/743

THE 5.25 AND 5.7 μm ASTRONOMICAL POLYCYCLIC AROMATIC HYDROCARBON EMISSION FEATURES

Boersma, C., Mattioda, A. L., Bauschlicher, C. W., Peeters, E., Tielens, A. G. G. M., & Allamandola, L. J. (2008). The Astrophysical Journal, 690(2), 1208–1221. doi:10.1088/0004-637x/690/2/1208

PHOTOEVAPORATION OF CIRCUMSTELLAR DISKS BY FAR-ULTRAVIOLET, EXTREME-ULTRAVIOLET AND X-RAY RADIATION FROM THE CENTRAL STAR

Gorti, U., & Hollenbach, D. (2008). The Astrophysical Journal, 690(2), 1539–1552. doi:10.1088/0004-637x/690/2/1539

Strong water absorption in the dayside emission spectrum of the planet HD 189733b

Grillmair, C. J., Burrows, A., Charbonneau, D., Armus, L., Stauffer, J., Meadows, V., … Cleve, J. v. (2008). Nature, 456(7223), 767–769. doi:10.1038/nature07574

A Revised, Hazy Methane Greenhouse for the Archean Earth

Haqq-Misra, J. D., Domagal-Goldman, S. D., Kasting, P. J., & Kasting, J. F. (2008). Astrobiology, 8(6), 1127–1137. doi:10.1089/ast.2007.0197

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