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 2014The formation of supercooled brines, viscous liquids, and low-temperature perchlorate glasses in aqueous solutions relevant to Mars

Toner, J. D., Catling, D. C., & Light, B. (2014). The formation of supercooled brines, viscous liquids, and low-temperature perchlorate glasses in aqueous solutions relevant to Mars. Icarus, 233, 36–47. doi:10.1016/j.icarus.2014.01.018

Merging metagenomics and geochemistry reveals environmental controls on biological diversity and evolution

Alsop, E. B., Boyd, E. S., & Raymond, J. (2014). BMC Ecology, 14(1), 16. doi:10.1186/1472-6785-14-16

Paleontology: A New Burgess Shale Fauna

Briggs, D. E. G. (2014). Current Biology, 24(10), R398–R400. doi:10.1016/j.cub.2014.04.010

Sands at Gusev Crater, Mars

Cabrol, N. A., Herkenhoff, K., Knoll, A. H., Farmer, J., Arvidson, R., Grin, E., … Li, R. (2014). Journal of Geophysical Research: Planets, 119(5), 941–967. doi:10.1002/2013je004535

Spectroscopic studies of non-volatile residue formed by photochemistry of solid C4N2: A model of condensed aerosol formation on Titan

Couturier-Tamburelli, I., Gudipati, M. S., Lignell, A., Jacovi, R., & Piétri, N. (2014). Icarus, 234(None), 81–90. doi:10.1016/j.icarus.2014.02.016

TTVFast: AN EFFICIENT AND ACCURATE CODE FOR TRANSIT TIMING INVERSION PROBLEMS

Deck, K. M., Agol, E., Holman, M. J., & Nesvorný, D. (2014). The Astrophysical Journal, 787(2), 132. doi:10.1088/0004-637x/787/2/132

How low can you go? Maximum constraints on hydrogen concentrations prior to the Great Oxidation Event

Domagal-Goldman, S. (2014). Earth's Early Atmosphere and Surface Environment, None(None), 11–13. doi:10.1130/2014.2504(02)

The upside-down biosphere: “Evidence for the partially oxygenated oceans during the Archean Eon”

Domagal-Goldman, S. (2014). Earth's Early Atmosphere and Surface Environment, None(None), 97–99. doi:10.1130/2014.2504(10)

Toward consilience in reptile phylogeny: miRNAs support an archosaur, not lepidosaur, affinity for turtles

Field, D. J., Gauthier, J. A., King, B. L., Pisani, D., Lyson, T. R., & Peterson, K. J. (2014). Evolution & Development, 16(4), 189–196. doi:10.1111/ede.12081

An iodine record of Paleoproterozoic surface ocean oxygenation

Hardisty, D. S., Lu, Z., Planavsky, N. J., Bekker, A., Philippot, P., Zhou, X., & Lyons, T. W. (2014). Geology, 42(7), 619–622. doi:10.1130/g35439.1

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