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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January 2016Characterizing Rocky and Gaseous Exoplanets with 2 m Class Space-based Coronagraphs

Robinson, T. D., Stapelfeldt, K. R., & Marley, M. S. (2016). Publications of the Astronomical Society of the Pacific, 128(960), 025003. doi:10.1088/1538-3873/128/960/025003

CHEMISTRY OF FROZEN SODIUM–MAGNESIUM–SULFATE–CHLORIDE BRINES: IMPLICATIONS FOR SURFACE EXPRESSION OF EUROPA’S OCEAN COMPOSITION

Vu, T. H., Hodyss, R., Choukroun, M., & Johnson, P. V. (2016). The Astrophysical Journal, 816(2), L26. doi:10.3847/2041-8205/816/2/l26

Acidianus Tailed Spindle Virus: a New Archaeal Large Tailed Spindle Virus Discovered by Culture-Independent Methods

Hochstein, R. A., Amenabar, M. J., Munson-McGee, J. H., Boyd, E. S., & Young, M. J. (2016). Journal of Virology, 90(7), 3458–3468. doi:10.1128/jvi.03098-15

Thermal and geochemical influences on microbial biogeography in the hydrothermal sediments of Guaymas Basin, Gulf of California

McKay, L., Klokman, V. W., Mendlovitz, H. P., LaRowe, D. E., Hoer, D. R., Albert, D., … Amend, J. P. (2016). Environmental Microbiology Reports, 8(1), 150–161. doi:10.1111/1758-2229.12365

December 2015The anharmonic quartic force field infrared spectra of three polycyclic aromatic hydrocarbons: Naphthalene, anthracene, and tetracene

Mackie, C. J., Candian, A., Huang, X., Maltseva, E., Petrignani, A., Oomens, J., … Tielens, A. G. G. M. (2015). The anharmonic quartic force field infrared spectra of three polycyclic aromatic hydrocarbons: Naphthalene, anthracene, and tetracene. The Journal of Chemical Physics, 143(22), 224314. doi:10.1063/1.4936779

Modeling the transport and bioreduction of hexavalent chromium in aquifers: Influence of natural organic matter

Thacher, R., Hsu, L., Ravindran, V., Nealson, K. H., & Pirbazari, M. (2015). Modeling the transport and bioreduction of hexavalent chromium in aquifers: Influence of natural organic matter. Chemical Engineering Science, 138, 552–565. doi:10.1016/j.ces.2015.08.011

Electronically Excited States of Anisotropically Extended Singly-Deprotonated PAH Anions

Theis, M. L., Candian, A., Tielens, A. G. G. M., Lee, T. J., & Fortenberry, R. C. (2015). Electronically Excited States of Anisotropically Extended Singly-Deprotonated PAH Anions. The Journal of Physical Chemistry A, 119(52), 13048–13054. doi:10.1021/acs.jpca.5b10421

Aerobic and Anaerobic Thiosulfate Oxidation by a Cold-Adapted, Subglacial Chemoautotroph

Harrold, Z. R., Skidmore, M. L., Hamilton, T. L., Desch, L., Amada, K., Van Gelder, W., … Glover, K. (2015). Appl. Environ. Microbiol., None(None), AEM.03398–15. doi:10.1128/aem.03398-15

Bacterial responses to environmental change on the Tibetan Plateau over the past half century

Liu, Y., Priscu, J. C., Yao, T., Vick-Majors, T. J., Xu, B., Jiao, N., … Yang, Y. (2015). Bacterial responses to environmental change on the Tibetan Plateau over the past half century. Environmental Microbiology, 18(6), 1930–1941. doi:10.1111/1462-2920.13115

LOW TEMPERATURE FORMATION OF NITROGEN-SUBSTITUTED POLYCYCLIC AROMATIC HYDROCARBONS (PANHs)—BARRIERLESS ROUTES TO DIHYDRO(iso)QUINOLINES

Parker, D. S. N., Yang, T., Dangi, B. B., Kaiser, R. I., Bera, P. P., & Lee, T. J. (2015). The Astrophysical Journal, 815(2), 115. doi:10.1088/0004-637x/815/2/115

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