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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June 2012Microbial Lithotrophic Oxidation of Structural Fe(II) in Biotite

Shelobolina, E., Xu, H., Konishi, H., Kukkadapu, R., Wu, T., Blothe, M., & Roden, E. (2012). Applied and Environmental Microbiology, 78(16), 5746–5752. doi:10.1128/aem.01034-12

Coordinating Environmental Genomics and Geochemistry Reveals Metabolic Transitions in a Hot Spring Ecosystem

Swingley, W. D., Meyer-Dombard, D. A. R., Shock, E. L., Alsop, E. B., Falenski, H. D., Havig, J. R., & Raymond, J. (2012). PLoS ONE, 7(6), e38108. doi:10.1371/journal.pone.0038108

Heteronuclear Adiabatic Relaxation Dispersion (HARD) for quantitative analysis of conformational dynamics in proteins

Traaseth, N. J., Chao, F-A., Masterson, L. R., Mangia, S., Garwood, M., Michaeli, S., … Seelig, B. (2012). Journal of Magnetic Resonance, 219(None), 75–82. doi:10.1016/j.jmr.2012.03.024

THE ANGLO-AUSTRALIAN PLANET SEARCH. XXII. TWO NEW MULTI-PLANET SYSTEMS

Wittenmyer, R. A., Horner, J., Tuomi, M., Salter, G. S., Tinney, C. G., Butler, R. P., … Jones, H. R. A. (2012). The Astrophysical Journal, 753(2), 169. doi:10.1088/0004-637x/753/2/169

THE FREQUENCY OF HOT JUPITERS ORBITING NEARBY SOLAR-TYPE STARS

Wright, J. T., Marcy, G. W., Howard, A. W., Johnson, J. A., Morton, T. D., & Fischer, D. A. (2012). The Astrophysical Journal, 753(2), 160. doi:10.1088/0004-637x/753/2/160

May 2012Nonenzymatic Ligation of DNA with a Reversible Step and a Final Linkage that Can Be Used in PCR

Engelhart, A. E., Cafferty, B. J., Okafor, C. D., Chen, M. C., Williams, L. D., Lynn, D. G., & Hud, N. V. (2012). Nonenzymatic Ligation of DNA with a Reversible Step and a Final Linkage that Can Be Used in PCR. ChemBioChem, 13(8), 1121–1124. doi:10.1002/cbic.201200167

A PLANETARY SYSTEM AROUND THE NEARBY M DWARF GJ 667C WITH AT LEAST ONE SUPER-EARTH IN ITS HABITABLE ZONE

Anglada-Escudé, G., Arriagada, P., Vogt, S. S., Rivera, E. J., Butler, R. P., Crane, J. D., … Shectman, S. A. (2012). The Astrophysical Journal, 751(1), L16. doi:10.1088/2041-8205/751/1/l16

A PLANETARY SYSTEM AROUND THE NEARBY M DWARF GJ 667C WITH AT LEAST ONE SUPER-EARTH IN ITS HABITABLE ZONE

Anglada-Escudé, G., Arriagada, P., Vogt, S. S., Rivera, E. J., Butler, R. P., Crane, J. D., … Shectman, S. A. (2012). The Astrophysical Journal, 751(1), L16. doi:10.1088/2041-8205/751/1/l16

THE HARPS-TERRA PROJECT. I. DESCRIPTION OF THE ALGORITHMS, PERFORMANCE, AND NEW MEASUREMENTS ON A FEW REMARKABLE STARS OBSERVED BY HARPS

Anglada-Escudé, G., & Paul Butler, R. (2012). The Astrophysical Journal Supplement Series, 200(2), 15. doi:10.1088/0067-0049/200/2/15

RNA Folding and Catalysis Mediated by Iron (II)

Athavale, S. S., Petrov, A. S., Hsiao, C., Watkins, D., Prickett, C. D., Gossett, J. J., … Lie, L. (2012). PLoS ONE, 7(5), e38024. doi:10.1371/journal.pone.0038024

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