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 2012Production of Oxidants by Ion Bombardment of Icy Moons in the Outer Solar System

Boduch, P., Da Silveira, E. F., Domaracka, A., Gomis, O., Lv, X. Y., Palumbo, M. E., … Pilling, S. (2011). Advances in Astronomy, 2011(None), 1–10. doi:10.1155/2011/327641

Is Titan's shape caused by its meteorology and carbon cycle?

Choukroun, M., & Sotin, C. (2012). Geophysical Research Letters, 39(4), n/a–n/a. doi:10.1029/2011gl050747

The distribution of carbon monoxide in the lower atmosphere of Venus

Cotton, D. V., Bailey, J., Crisp, D., & Meadows, V. S. (2012). Icarus, 217(2), 570–584. doi:10.1016/j.icarus.2011.05.020

Comment on "Abiotic Pyrite Formation Produces a Large Fe Isotope Fractionation"

Czaja, A. D., Johnson, C. M., Yamaguchi, K. E., & Beard, B. L. (2012). Science, 335(6068), 538–538. doi:10.1126/science.1211804

Dominant eukaryotic export production during ocean anoxic events reflects the importance of recycled NH4+

Higgins, M. B., Robinson, R. S., Husson, J. M., Carter, S. J., & Pearson, A. (2012). Proceedings of the National Academy of Sciences, 109(7), 2269–2274. doi:10.1073/pnas.1104313109

Uncovering the Neoproterozoic carbon cycle

Johnston, D. T., Macdonald, F. A., Gill, B. C., Hoffman, P. F., & Schrag, D. P. (2012). Nature, 483(7389), 320–323. doi:10.1038/nature10854

A theoretical investigation of the relative stability of hydrated glycine and methylcarbamic acid—from water clusters to interstellar ices

Kayi, H., Kaiser, R. I., & Head, J. D. (2012). Physical Chemistry Chemical Physics, 14(14), 4942. doi:10.1039/c2cp23798a

Microbial diversity under extreme euxinia: Mahoney Lake, Canada

Klepac-Ceraj, V., Hayes, C. A., Gilhooly, W. P., Lyons, T. W., Kolter, R., & Pearson, A. (2012). Geobiology, 10(3), 223–235. doi:10.1111/j.1472-4669.2012.00317.x

An icy Kuiper belt around the young solar-type star HD 181327

Lebreton, J., Augereau, J-C., Thi, W-F., Roberge, A., Donaldson, J., Schneider, G., … Maddison, S. T. (2012). A&A, 539(None), A17. doi:10.1051/0004-6361/201117714

FIRST DETECTION OF NEAR-INFRARED LINE EMISSION FROM ORGANICS IN YOUNG CIRCUMSTELLAR DISKS

Mandell, A. M., Bast, J., Van Dishoeck, E. F., Blake, G. A., Salyk, C., Mumma, M. J., & Villanueva, G. (2012). The Astrophysical Journal, 747(2), 92. doi:10.1088/0004-637x/747/2/92

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