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 2009 Spore Photoproduct Lyase Catalyzes Specific Repair of the 5 R but Not the 5 S Spore Photoproduct

Chandra, T., Silver, S. C., Zilinskas, E., Shepard, E. M., Broderick, W. E., & Broderick, J. B. (2009). Journal of the American Chemical Society, 131(7), 2420–2421. doi:10.1021/ja807375c

DNA Denaturation Under Freezing in Alkaline Medium

Galyuk, E. N., Wartell, R. M., Dosin, Y. M., & Lando, D. Y. (2009). Journal of Biomolecular Structure and Dynamics, 26(4), 517–523. doi:10.1080/07391102.2009.10507267

Isotopic Evidence for an Aerobic Nitrogen Cycle in the Latest Archean

Garvin, J., Buick, R., Anbar, A. D., Arnold, G. L., & Kaufman, A. J. (2009). Science, 323(5917), 1045–1048. doi:10.1126/science.1165675

Fossil steroids record the appearance of Demospongiae during the Cryogenian period

Love, G. D., Grosjean, E., Stalvies, C., Fike, D. A., Grotzinger, J. P., Bradley, A. S., … Kelly, A. E. (2009). Nature, 457(7230), 718–721. doi:10.1038/nature07673

Crystal ball - 2009

None (2009). Environmental Microbiology Reports, 1(1), 3–26. doi:10.1111/j.1758-2229.2008.00010.x

Ancient Lunar Crust: Origin, Composition, and Implications

Taylor, G. J. (2009). Elements, 5(1), 17–22. doi:10.2113/gselements.5.1.17

Intramolecular carbon isotopic analysis of acetic acid by direct injection of aqueous solution

Thomas, B., Freeman, K. H., & Arthur, M. A. (2009). Organic Geochemistry, 40(2), 195–200. doi:10.1016/j.orggeochem.2008.10.011

Role of Oxide Surface Chemistry and Phospholipid Phase on Adsorption and Self-Assembly: Isotherms and Atomic Force Microscopy

Xu, J., Stevens, M. J., Oleson, T. A., Last, J. A., & Sahai, N. (2009). The Journal of Physical Chemistry C, 113(6), 2187–2196. doi:10.1021/jp807680d

INFRARED SPECTRA OF AMMONIA-WATER ICES

Zheng, W., Jewitt, D., & Kaiser, R. I. (2009). The Astrophysical Journal Supplement Series, 181(1), 53–61. doi:10.1088/0067-0049/181/1/53

January 2009V1647 ORIONIS: KECK/NIRSPEC 2 μm ECHELLE OBSERVATIONS

Aspin, C., Greene, T. P., & Reipurth, B. (2009). The Astronomical Journal, 137(2), 2968–2980. doi:10.1088/0004-6256/137/2/2968

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