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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September 2014TERRESTRIAL PLANET FORMATION IN THE PRESENCE OF MIGRATING SUPER-EARTHS

Izidoro, A., Morbidelli, A., & Raymond, S. N. (2014). The Astrophysical Journal, 794(1), 11. doi:10.1088/0004-637x/794/1/11

ON THE FREQUENCY OF POTENTIAL VENUS ANALOGS FROM KEPLER DATA

Kane, S. R., Kopparapu, R. K., & Domagal-Goldman, S. D. (2014). The Astrophysical Journal, 794(1), L5. doi:10.1088/2041-8205/794/1/l5

Hypothesized link between Neoproterozoic greening of the land surface and the establishment of an oxygen-rich atmosphere

Kump, L. R. (2014). Proc Natl Acad Sci USA, 111(39), 14062–14065. doi:10.1073/pnas.1321496111

Sample matrix effects on measured carbon and oxygen isotope ratios during continuous-flow isotope-ratio mass spectrometry

Levitt, N. P. (2014). Rapid Commun. Mass Spectrom., 28(21), 2259–2274. doi:10.1002/rcm.7019

Infrared vibrational and electronic transitions in the dibenzopolyacene family

Mattioda, A. L., Bauschlicher, C. W., Bregman, J. D., Hudgins, D. M., Allamandola, L. J., & Ricca, A. (2014). Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 130(None), 639–652. doi:10.1016/j.saa.2014.04.017

Calcium sulfate veins characterized by ChemCam/Curiosity at Gale crater, Mars

Nachon, M., Clegg, S. M., Mangold, N., Schröder, S., Kah, L. C., Dromart, G., … Ollila, A. (2014). Journal of Geophysical Research: Planets, 119(9), 1991–2016. doi:10.1002/2013je004588

Water delivery and giant impacts in the ‘Grand Tack’ scenario

O’Brien, D. P., Walsh, K. J., Morbidelli, A., Raymond, S. N., & Mandell, A. M. (2014). Icarus, 239(None), 74–84. doi:10.1016/j.icarus.2014.05.009

Plant species identity and soil P forms in an oligotrophic grassland–desert scrub system

Perroni, Y., GarcíA-Oliva, F., & Souza, V. (2014). Journal of Arid Environments, 108(None), 29–37. doi:10.1016/j.jaridenv.2014.04.009

Investigation of schreibersite and intrinsic oxidation products from Sikhote-Alin, Seymchan, and Odessa meteorites and Fe3P and Fe2NiP synthetic surrogates

Pirim, C., Pasek, M. A., Sokolov, D. A., Sidorov, A. N., Gann, R. D., & Orlando, T. M. (2014). Geochimica et Cosmochimica Acta, 140(None), 259–274. doi:10.1016/j.gca.2014.05.027

Earth’s carbon cycle: A mathematical perspective

Rothman, D. H. (2014). Bulletin of the American Mathematical Society, 52(1), 47–64. doi:10.1090/s0273-0979-2014-01471-5

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