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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October 2014Hydrogen enhances the stability of glutamic acid in hydrothermal environments

Lee, N., Foustoukos, D. I., Sverjensky, D. A., Hazen, R. M., & Cody, G. D. (2014). Chemical Geology, 386(None), 184–189. doi:10.1016/j.chemgeo.2014.08.012

Carbonate-hosted methanotrophy represents an unrecognized methane sink in the deep sea

Marlow, J. J., Steele, J. A., Ziebis, W., Thurber, A. R., Levin, L. A., & Orphan, V. J. (2014). Nat Comms, 5(None), 5094. doi:10.1038/ncomms6094

DISCRIMINATING BETWEEN CLOUDY, HAZY, AND CLEAR SKY EXOPLANETS USING REFRACTION

Misra, A. K., & Meadows, V. S. (2014). The Astrophysical Journal, 795(1), L14. doi:10.1088/2041-8205/795/1/l14

Atmospheric hydrogen peroxide and Eoarchean iron formations

Pecoits, E., Smith, M. L., Catling, D. C., Philippot, P., Kappler, A., & Konhauser, K. O. (2014). Geobiology, 13(1), 1–14. doi:10.1111/gbi.12116

H α emission-line stars in molecular clouds

Pettersson, B., Armond, T., & Reipurth, B. (2014). A&A, 570(None), A30. doi:10.1051/0004-6361/201423594

Fluid-induced organic synthesis in the solar nebula recorded in extraterrestrial dust from meteorites

Vollmer, C., Kepaptsoglou, D., Leitner, J., Busemann, H., Spring, N. H., Ramasse, Q. M., … Hoppe, P. (2014). Proceedings of the National Academy of Sciences, 111(43), 15338–15343. doi:10.1073/pnas.1408206111

Biota and Biomolecules in Extreme Environments on Earth: Implications for Life Detection on Mars

Aerts, J., Röling, W., Elsaesser, A., & Ehrenfreund, P. (2014). Life, 4(4), 535–565. doi:10.3390/life4040535

The first X-ray diffraction measurements on Mars

Bish, D., Blake, D., Vaniman, D., Sarrazin, P., Bristow, T., Achilles, C., … Dera, P. (2014). IUCrJ, 1(6), 514–522. doi:10.1107/s2052252514021150

Radiative forcings for 28 potential Archean greenhouse gases

Byrne, B., & Goldblatt, C. (2014). Clim. Past, 10(5), 1779–1801. doi:10.5194/cp-10-1779-2014

Identification of primary amines in Titan tholins using microchip nonaqueous capillary electrophoresis

Cable, M. L., Hörst, S. M., He, C., Stockton, A. M., Mora, M. F., Tolbert, M. A., … Smith, M. A. (2014). Earth and Planetary Science Letters, 403(None), 99–107. doi:10.1016/j.epsl.2014.06.028

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