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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February 2011Tidal obliquity evolution of potentially habitable planets

Heller, R., Leconte, J., & Barnes, R. (2011). A&A, 528(None), A27. doi:10.1051/0004-6361/201015809

Bayesian Estimation of Substitution Rates from Ancient DNA Sequences with Low Information Content

Ho, S. Y. W., Lanfear, R., Phillips, M. J., Barnes, I., Thomas, J. A., Kolokotronis, S-O., & Shapiro, B. (2011). Systematic Biology, 60(3), 366–375. doi:10.1093/sysbio/syq099

THE NASA-UC ETA-EARTH PROGRAM. III. A SUPER-EARTH ORBITING HD 97658 AND A NEPTUNE-MASS PLANET ORBITING Gl 785

Howard, A. W., Johnson, J. A., Marcy, G. W., Fischer, D. A., Wright, J. T., Henry, G. W., … Isaacson, H. (2011). The Astrophysical Journal, 730(1), 10. doi:10.1088/0004-637x/730/1/10

A computational study on the structures of methylamine–carbon dioxide–water clusters: evidence for the barrier free formation of the methylcarbamic acid zwitterion (CH3NH2+COO−) in interstellar water ices

Kayi, H., Kaiser, R. I., & Head, J. D. (2011). Physical Chemistry Chemical Physics, 13(23), 11083. doi:10.1039/c0cp01962c

ON THE FORMATION OF AMINES (RNH 2 ) AND THE CYANIDE ANION (CN – ) IN ELECTRON-IRRADIATED AMMONIA-HYDROCARBON INTERSTELLAR MODEL ICES

Kim, Y. S., & Kaiser, R. I. (2011). The Astrophysical Journal, 729(1), 68. doi:10.1088/0004-637x/729/1/68

Extent and isotopic composition of Fe and Mo release from two Pennsylvania shales in the presence of organic ligands and bacteria

Liermann, L. J., Mathur, R., Wasylenki, L. E., Nuester, J., Anbar, A. D., & Brantley, S. L. (2011). Chemical Geology, 281(3-4), 167–180. doi:10.1016/j.chemgeo.2010.12.005

Measuring the sizes, shapes, surface features and rotations of Solar System objects with interferometry

Li, J-Y., Kuchner, M. J., Allen, R. J., & Sheppard, S. S. (2011). Icarus, 211(2), 1007–1021. doi:10.1016/j.icarus.2010.11.017

A closely packed system of low-mass, low-density planets transiting Kepler-11

Lissauer, J. J., Fabrycky, D. C., Ford, E. B., Borucki, W. J., Fressin, F., Marcy, G. W., … Orosz, J. A. (2011). Nature, 470(7332), 53–58. doi:10.1038/nature09760

Dynamical Models of Terrestrial Planet Formation

Lunine, J. I., O'Brien, D. P., Raymond, S. N., Morbidelli, A., Quinn, T., & Graps, A. L. (2011). Advanced Science Letters, 4(2), 325–338. doi:10.1166/asl.2011.1212

Measurement of the isotopic signatures of water on Mars; Implications for studying methane

Novak, R. E., Mumma, M. J., & Villanueva, G. L. (2011). Planetary and Space Science, 59(2-3), 163–168. doi:10.1016/j.pss.2010.06.017

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