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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March 2013LIGHT CURVES OF 32 LARGE TRANSNEPTUNIAN OBJECTS

Benecchi, S. D., & Sheppard, S. S. (2013). The Astronomical Journal, 145(5), 124. doi:10.1088/0004-6256/145/5/124

SALTS AND RADIATION PRODUCTS ON THE SURFACE OF EUROPA

Brown, M. E., & Hand, K. P. (2013). The Astronomical Journal, 145(4), 110. doi:10.1088/0004-6256/145/4/110

Genomic Evidence for Island Population Conversion Resolves Conflicting Theories of Polar Bear Evolution

Cahill, J. A., Green, R. E., Fulton, T. L., Stiller, M., Jay, F., Ovsyanikov, N., … Salamzade, R. (2013). PLoS Genet, 9(3), e1003345. doi:10.1371/journal.pgen.1003345

A search for amino acids and nucleobases in the Martian meteorite Roberts Massif 04262 using liquid chromatography-mass spectrometry

Callahan, M. P., Burton, A. S., Elsila, J. E., Baker, E. M., Smith, K. E., Glavin, D. P., & Dworkin, J. P. (2013). Meteoritics & Planetary Science, 48(5), 786–795. doi:10.1111/maps.12103

Magnetospheric ion sputtering and water ice grain size at Europa

Cassidy, T. A., Paranicas, C. P., Shirley, J. H., Dalton III, J. B., Teolis, B. D., Johnson, R. E., … Kamp, L. (2013). Planetary and Space Science, 77(None), 64–73. doi:10.1016/j.pss.2012.07.008

Exogenic controls on sulfuric acid hydrate production at the surface of Europa

Dalton, J. B., Cassidy, T., Paranicas, C., Shirley, J. H., Prockter, L. M., & Kamp, L. W. (2013). Planetary and Space Science, 77(None), 45–63. doi:10.1016/j.pss.2012.05.013

Ancient DNA supports southern survival of Richardson's collared lemming ( Dicrostonyx richardsoni ) during the last glacial maximum

Fulton, T. L., Norris, R. W., Graham, R. W., Semken, H. A., & Shapiro, B. (2013). Mol Ecol, 22(9), 2540–2548. doi:10.1111/mec.12267

Resolution of inter-laboratory discrepancies in Mo isotope data: an intercalibration

Goldberg, T., Gordon, G., Izon, G., Archer, C., Pearce, C. R., McManus, J., … Anbar, A. D. (2013). J. Anal. At. Spectrom., 28(5), 724. doi:10.1039/c3ja30375f

Rhenium variations in molybdenite (MoS2): Evidence for progressive subsurface oxidation

Golden, J., McMillan, M., Downs, R. T., Hystad, G., Goldstein, I., Stein, H. J., … Zimmerman, A. (2013). Earth and Planetary Science Letters, 366(None), 1–5. doi:10.1016/j.epsl.2013.01.034

Molecular evidence for an active endogenous microbiome beneath glacial ice

Hamilton, T. L., Peters, J. W., Skidmore, M. L., & Boyd, E. S. (2013). ISME J, 7(7), 1402–1412. doi:10.1038/ismej.2013.31

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