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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May 2015A CATALOG OF STELLAR EVOLUTION PROFILES AND THE EFFECTS OF VARIABLE COMPOSITION ON HABITABLE SYSTEMS

Truitt, A., Young, P. A., Spacek, A., Probst, L., & Dietrich, J. (2015). The Astrophysical Journal, 804(2), 145. doi:10.1088/0004-637x/804/2/145

Comparison of Archaeal and Bacterial Diversity in Methane Seep Carbonate Nodules and Host Sediments, Eel River Basin and Hydrate Ridge, USA

Mason, O. U., Case, D. H., Naehr, T. H., Lee, R. W., Thomas, R. B., Bailey, J. V., & Orphan, V. J. (2015). Microbial Ecology, 70(3), 766–784. doi:10.1007/s00248-015-0615-6

April 2015Natural occurrence of monoclinic Fe3S4 nano-precipitates in pyrrhotite from the Sudbury ore deposit: a Z-contrast imaging and density functional theory study

Xu, H., Shen, Z., & Konishi, H. (2015). Natural occurrence of monoclinic Fe<SUB>3</SUB>S<SUB>4</SUB> nano-precipitates in pyrrhotite from the Sudbury ore deposit: a Z-contrast imaging and density functional theory study. Mineralogical Magazine, 79(2), 377–385. doi:10.1180/minmag.2015.079.2.15

Was a Pyrimidine-Pyrimidine Base Pair the Ancestor of Watson-Crick Base Pairs? Insights from a Systematic Approach to the Origin of RNA

Cafferty, B. J., & Hud, N. V. (2015). Was a Pyrimidine-Pyrimidine Base Pair the Ancestor of Watson-Crick Base Pairs? Insights from a Systematic Approach to the Origin of RNA. Israel Journal of Chemistry, 55(8), 891–905. doi:10.1002/ijch.201400206

Folding and Imaging of DNA Nanostructures in Anhydrous and Hydrated Deep-Eutectic Solvents

Gállego, I., Grover, M. A., & Hud, N. V. (2015). Folding and Imaging of DNA Nanostructures in Anhydrous and Hydrated Deep-Eutectic Solvents. Angewandte Chemie International Edition, 54(23), 6765–6769. doi:10.1002/anie.201412354

Interaction between l-aspartate and the brucite [Mg(OH)2]–water interface

Estrada, C. F., Sverjensky, D. A., Pelletier, M., Razafitianamaharavo, A., & Hazen, R. M. (2015). Geochimica et Cosmochimica Acta, 155(None), 172–186. doi:10.1016/j.gca.2015.02.002

Abiotic Regioselective Phosphorylation of Adenosine with Borate in Formamide

Furukawa, Y., Kim, H-J., Hutter, D., & Benner, S. A. (2015). Astrobiology, 15(4), 259–267. doi:10.1089/ast.2014.1209

Noble gases, nitrogen, and methane from the deep interior to the atmosphere of Titan

Glein, C. R. (2015). Icarus, 250(None), 570–586. doi:10.1016/j.icarus.2015.01.001

Sedimentary phosphate and associated fossil bacteria in a Paleoproterozoic tidal flat in the 1.85Ga Michigamme Formation, Michigan, USA

Hiatt, E. E., Pufahl, P. K., & Edwards, C. T. (2015). Sedimentary Geology, 319(None), 24–39. doi:10.1016/j.sedgeo.2015.01.006

Complex IR spectra of OH- groups in silicate glasses: Implications for the use of the 4500 cm-1 IR peak as a marker of OH- groups concentration

Le Losq, C., Cody, G. D., & Mysen, B. O. (2015). American Mineralogist, 100(4), 945–950. doi:10.2138/am-2015-5076

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