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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October 2011Evidence of magnetic isotope effects during thermochemical sulfate reduction

Oduro, H., Harms, B., Sintim, H. O., Kaufman, A. J., Cody, G., & Farquhar, J. (2011). Proceedings of the National Academy of Sciences, 108(43), 17635–17638. doi:10.1073/pnas.1108112108

Mapping iron abundances on the surface of Mercury: Predicted spatial resolution of the MESSENGER Gamma-Ray Spectrometer

Peplowski, P. N., Blewett, D. T., Denevi, B. W., Evans, L. G., Lawrence, D. J., Nittler, L. R., … Rhodes, E. A. (2011). Planetary and Space Science, 59(13), 1654–1658. doi:10.1016/j.pss.2011.06.001

Active submarine eruption of boninite in the northeastern Lau Basin

Resing, J. A., Rubin, K. H., Embley, R. W., Lupton, J. E., Baker, E. T., Dziak, R. P., … Baumberger, T. (2011). Nature Geosci, 4(11), 799–806. doi:10.1038/ngeo1275

MODELING THE INFRARED SPECTRUM OF THE EARTH-MOON SYSTEM: IMPLICATIONS FOR THE DETECTION AND CHARACTERIZATION OF EARTHLIKE EXTRASOLAR PLANETS AND THEIR MOONLIKE COMPANIONS

Robinson, T. D. (2011). The Astrophysical Journal, 741(1), 51. doi:10.1088/0004-637x/741/1/51

Seismically observable features of mature stagnant-lid convection at the base of the lithosphere: Some scaling relationships

Sleep, N. H. (2011). Geochem. Geophys. Geosyst., 12(10), n/a–n/a. doi:10.1029/2011gc003760

X-RAY PRODUCTION BY V1647 Ori DURING OPTICAL OUTBURSTS

Teets, W. K., Weintraub, D. A., Grosso, N., Principe, D., Kastner, J. H., Hamaguchi, K., & Richmond, M. (2011). The Astrophysical Journal, 741(2), 83. doi:10.1088/0004-637x/741/2/83

The influence of Escherichia coli Hfq mutations on RNA binding and sRNA•mRNA duplex formation in rpoS riboregulation

Updegrove, T. B., & Wartell, R. M. (2011). Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms, 1809(10), 532–540. doi:10.1016/j.bbagrm.2011.08.006

A molecular palaeobiological hypothesis for the origin of aplacophoran molluscs and their derivation from chiton-like ancestors

Vinther, J., Sperling, E. A., Briggs, D. E. G., & Peterson, K. J. (2011). Proceedings of the Royal Society B: Biological Sciences, 279(1732), 1259–1268. doi:10.1098/rspb.2011.1773

Constraining atmospheric oxygen and seawater sulfate concentrations during Paleoproterozoic glaciation: In situ sulfur three-isotope microanalysis of pyrite from the Turee Creek Group, Western Australia

Williford, K. H., Van Kranendonk, M. J., Ushikubo, T., Kozdon, R., & Valley, J. W. (2011). Geochimica et Cosmochimica Acta, 75(19), 5686–5705. doi:10.1016/j.gca.2011.07.010

SPIN-ORBIT ALIGNMENT FOR THE CIRCUMBINARY PLANET HOST KEPLER-16 A

Winn, J. N., Albrecht, S., Johnson, J. A., Torres, G., Cochran, W. D., Marcy, G. W., … Howard, A. W. (2011). The Astrophysical Journal, 741(1), L1. doi:10.1088/2041-8205/741/1/l1

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