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 2016Gas/solid carbon branching ratios in surface-mediated reactions and the incorporation of carbonaceous material into planetesimals

Nuth, J. A., Johnson, N. M., Ferguson, F. T., & Carayon, A. (2016). Gas/solid carbon branching ratios in surface-mediated reactions and the incorporation of carbonaceous material into planetesimals. Meteoritics & Planetary Science, 51(7), 1310–1322. doi:10.1111/maps.12666

Microanalysis of carbonate cement δ18O in a CO2-storage system seal: Insights into the diagenetic history of the Eau Claire Formation (Upper Cambrian), Illinois Basin

Sliwinski, M. G., Kozdon, R., Kitajima, K., Denny, A., & Valley, J. W. (2016). Microanalysis of carbonate cement δ18O in a CO2-storage system seal: Insights into the diagenetic history of the Eau Claire Formation (Upper Cambrian), Illinois Basin. AAPG Bulletin, 100(06), 1003–1031. doi:10.1306/02031615065

Transiting Exoplanet Studies and Community Targets forJWST's Early Release Science Program

Stevenson, K. B., Lewis, N. K., Bean, J. L., Beichman, C., Fraine, J., Kilpatrick, B. M., … Wakeford, H. R. (2016). Transiting Exoplanet Studies and Community Targets forJWST's Early Release Science Program. Publications of the Astronomical Society of the Pacific, 128(967), 094401. doi:10.1088/1538-3873/128/967/094401

Thermodynamics, Disequilibrium, Evolution: Far-From-Equilibrium Geological and Chemical Considerations for Origin-Of-Life Research

Barge, L. M., Branscomb, E., Brucato, J. R., Cardoso, S. S. S., Cartwright, J. H. E., Danielache, S. O., … Galante, D. (2016). Orig Life Evol Biosph. doi:10.1007/s11084-016-9508-z

A shale-hosted Cr isotope record of low atmospheric oxygen during the Proterozoic

Cole, D. B., Reinhard, C. T., Wang, X., Gueguen, B., Halverson, G. P., Gibson, T., … Hodgskiss, M. S. W. (2016). Geology, 44(7), 555–558. doi:10.1130/g37787.1

Synthetic evolutionary origin of a proofreading reverse transcriptase

Ellefson, J. W., Gollihar, J., Shroff, R., Shivram, H., Iyer, V. R., & Ellington, A. D. (2016). Synthetic evolutionary origin of a proofreading reverse transcriptase. Science, 352(6293), 1590–1593. doi:10.1126/science.aaf5409

Real-time transposable element activity in individual live cells

Kim, N. H., Lee, G., Sherer, N. A., Martini, K. M., Goldenfeld, N., & Kuhlman, T. E. (2016). Proc Natl Acad Sci USA, 113(26), 7278–7283. doi:10.1073/pnas.1601833113

Size-Dependent Phase Map and Phase Transformation Kinetics for Nanometric Iron(III) Oxides (γ → ε → α Pathway)

Lee, S., & Xu, H. (2016). The Journal of Physical Chemistry C, 120(24), 13316–13322. doi:10.1021/acs.jpcc.6b05287

Distinct geochemistries of water–basalt–Fe0 reactions in the presence versus absence of CO2-driven microbial methanogenesis

Mayhew, L. E., Lau, G. E., & Templeton, A. S. (2016). Chemical Geology, 428(None), 92–105. doi:10.1016/j.chemgeo.2016.02.028

Generation of Hydrogen and Methane during Experimental Low-Temperature Reaction of Ultramafic Rocks with Water

McCollom, T. M., & Donaldson, C. (2016). Astrobiology, 16(6), 389–406. doi:10.1089/ast.2015.1382

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