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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July 2016The Abiotic Chemistry of Thiolated Acetate Derivatives and the Origin of Life

Chandru, K., Gilbert, A., Butch, C., Aono, M., & James Cleaves, H. (2016). The Abiotic Chemistry of Thiolated Acetate Derivatives and the Origin of Life. Scientific Reports, 6(1), None. doi:10.1038/srep29883

The Rise of Animals in a Changing Environment: Global Ecological Innovation in the Late Ediacaran

Droser, M. L., Tarhan, L. G., & Gehling, J. G. (2016). The Rise of Animals in a Changing Environment: Global Ecological Innovation in the Late Ediacaran. Annual Review of Earth and Planetary Sciences, 45(1), None. doi:10.1146/annurev-earth-063016-015645

Biogenic manganese oxides as reservoirs of organic carbon and proteins in terrestrial and marine environments

Estes, E. R., Andeer, P. F., Nordlund, D., Wankel, S. D., & Hansel, C. M. (2016). Biogenic manganese oxides as reservoirs of organic carbon and proteins in terrestrial and marine environments. Geobiology, 15(1), 158–172. doi:10.1111/gbi.12195

Sedimentary chromium isotopic compositions across the Cretaceous OAE2 at Demerara Rise Site 1258

Wang, X., Reinhard, C. T., Planavsky, N. J., Owens, J. D., Lyons, T. W., & Johnson, T. M. (2016). Chemical Geology, 429(None), 85–92. doi:10.1016/j.chemgeo.2016.03.006

The chromium isotope composition of reducing and oxic marine sediments

Gueguen, B., Reinhard, C. T., Algeo, T. J., Peterson, L. C., Nielsen, S. G., Wang, X., … Rowe, H. (2016). Geochimica et Cosmochimica Acta, 184(None), 1–19. doi:10.1016/j.gca.2016.04.004

The role of geochemistry and energetics in the evolution of modern respiratory complexes from a proton-reducing ancestor

Schut, G. J., Zadvornyy, O., Wu, C-H., Peters, J. W., Boyd, E. S., & Adams, M. W. W. (2016). Biochimica et Biophysica Acta (BBA) - Bioenergetics, 1857(7), 958–970. doi:10.1016/j.bbabio.2016.01.010

Basidiomycete yeasts in the cortex of ascomycete macrolichens

Spribille, T., Tuovinen, V., Resl, P., Vanderpool, D., Wolinski, H., Aime, M. C., … McCutcheon, J. P. (2016). Basidiomycete yeasts in the cortex of ascomycete macrolichens. Science, 353(6298), 488–492. doi:10.1126/science.aaf8287

June 2016A 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., … Planavsky, N. J. (2016). A shale-hosted Cr isotope record of low atmospheric oxygen during the Proterozoic. Geology, 44(7), 555–558. doi:10.1130/g37787.1

Meteoritic Amino Acids: Diversity in Compositions Reflects Parent Body Histories

Elsila, J. E., Aponte, J. C., Blackmond, D. G., Burton, A. S., Dworkin, J. P., & Glavin, D. P. (2016). Meteoritic Amino Acids: Diversity in Compositions Reflects Parent Body Histories. ACS Central Science, 2(6), 370–379. doi:10.1021/acscentsci.6b00074

Discovery of the interstellar chiral molecule propylene oxide (CH3CHCH2O)

McGuire, B. A., Carroll, P. B., Loomis, R. A., Finneran, I. A., Jewell, P. R., Remijan, A. J., & Blake, G. A. (2016). Discovery of the interstellar chiral molecule propylene oxide (CH3CHCH2O). Science, 352(6292), 1449–1452. doi:10.1126/science.aae0328

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