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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August 2012THE IMPACT OF STELLAR ABUNDANCE VARIATIONS ON STELLAR HABITABLE ZONE EVOLUTION

Young, P. A., Liebst, K., & Pagano, M. (2012). The Astrophysical Journal, 755(2), L31. doi:10.1088/2041-8205/755/2/l31

Aqueous fluid composition in CI chondritic materials: Chemical equilibrium assessments in closed systems

Zolotov, M. Y. (2012). Icarus, 220(2), 713–729. doi:10.1016/j.icarus.2012.05.036

July 2012Bacterial volatile discovery using solid phase microextraction and comprehensive two-dimensional gas chromatography–time-of-flight mass spectrometry

Bean, H. D., Dimandja, J-M., & Hill, J. E. (2012). Bacterial volatile discovery using solid phase microextraction and comprehensive two-dimensional gas chromatography–time-of-flight mass spectrometry. Journal of Chromatography B, 901, 41–46. doi:10.1016/j.jchromb.2012.05.038

The Provenances of Asteroids, and Their Contributions to the Volatile Inventories of the Terrestrial Planets

Alexander, C. M. O., Bowden, R., Fogel, M. L., Howard, K. T., Herd, C. D. K., & Nittler, L. R. (2012). Science, 337(6095), 721–723. doi:10.1126/science.1223474

Chemistry induced by energetic ions in water ice mixed with molecular nitrogen and oxygen

Boduch, P., Domaracka, A., Fulvio, D., Langlinay, T., Lv, X. Y., Palumbo, M. E., … Rothard, H. (2012). A&A, 544(None), A30. doi:10.1051/0004-6361/201219365

Comparative Metagenomics of Two Microbial Mats at Cuatro Ciénegas Basin II: Community Structure and Composition in Oligotrophic Environments

Bonilla-Rosso, G., Peimbert, M., Alcaraz, L. D., Hernández, I., Eguiarte, L. E., Olmedo-Alvarez, G., & Souza, V. (2012). Astrobiology, 12(7), 659–673. doi:10.1089/ast.2011.0724

Edge detection applied to Cassini images reveals no measurable displacement of Ontario Lacus' margin between 2005 and 2010

Cornet, T., Bourgeois, O., Le Mouélic, S., Rodriguez, S., Sotin, C., Barnes, J. W., … Brown, R. H. (2012). Journal of Geophysical Research: Planets, 117(E7), n/a–n/a. doi:10.1029/2012je004073

Molecular characterization of core lipids from halophilic archaea grown under different salinity conditions

Dawson, K. S., Freeman, K. H., & Macalady, J. L. (2012). Organic Geochemistry, 48(None), 1–8. doi:10.1016/j.orggeochem.2012.04.003

Late accretion as a natural consequence of planetary growth

Day, J. M. D., Walker, R. J., Qin, L., & Douglas Rumble, I. I. I. (2012). Nature Geosci, 5(9), 614–617. doi:10.1038/ngeo1527

DETECTION OF WEAK CIRCUMSTELLAR GAS AROUND THE DAZ WHITE DWARF WD 1124-293: EVIDENCE FOR THE ACCRETION OF MULTIPLE ASTEROIDS

Debes, J. H., Kilic, M., Faedi, F., Shkolnik, E. L., Lopez-Morales, M., Weinberger, A. J., … Slesnick, C. (2012). The Astrophysical Journal, 754(1), 59. doi:10.1088/0004-637x/754/1/59

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