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 2014COMPARISON OF THE DUST AND GAS RADIAL STRUCTURE IN THE TRANSITION DISK [PZ99] J160421.7-213028

Zhang, K., Isella, A., Carpenter, J. M., & Blake, G. A. (2014). The Astrophysical Journal, 791(1), 42. doi:10.1088/0004-637x/791/1/42

June 2014An Effective Approach for Coupling Direct Analysis in Real Time with Atmospheric Pressure Drift Tube Ion Mobility Spectrometry

Keelor, J. D., Dwivedi, P., & Fernández, F. M. (2014). An Effective Approach for Coupling Direct Analysis in Real Time with Atmospheric Pressure Drift Tube Ion Mobility Spectrometry. Journal of The American Society for Mass Spectrometry, 25(9), 1538–1548. doi:10.1007/s13361-014-0926-8

A Plausible Simultaneous Synthesis of Amino Acids and Simple Peptides on the Primordial Earth

Parker, E. T., Zhou, M., Burton, A. S., Glavin, D. P., Dworkin, J. P., Krishnamurthy, R., … Bada, J. L. (2014). A Plausible Simultaneous Synthesis of Amino Acids and Simple Peptides on the Primordial Earth. Angewandte Chemie International Edition, 53(31), 8132–8136. doi:10.1002/anie.201403683

Microbial Sequencing Analyses Suggest the Presence of a Fecal Veneer on Indoor Climbing Wall Holds

Bräuer, S. L., Vuono, D., Carmichael, M. J., Pepe-Ranney, C., Strom, A., Rabinowitz, E., … Buckley, D. H. (2014). Curr Microbiol, 69(5), 681–689. doi:10.1007/s00284-014-0643-3

Elucidation of the B urkholderia cenocepacia hopanoid biosynthesis pathway uncovers functions for conserved proteins in hopanoid-producing bacteria

Schmerk, C. L., Welander, P. V., Hamad, M. A., Bain, K. L., Bernards, M. A., Summons, R. E., & Valvano, M. A. (2014). Environmental Microbiology, 17(3), 735–750. doi:10.1111/1462-2920.12509

Episodic Accretion in Young Stars

Audard, M., Ábrahám, P., Dunham, M. M., Green, J. D., Grosso, N., Hamaguchi, K., … Kastner, J. H. (2014). Protostars and Planets VI. doi:10.2458/azu_uapress_9780816531240-ch017

MODERN TERRESTRIAL SEDIMENTARY BIOSTRUCTURES AND THEIR FOSSIL ANALOGS IN MESOPROTEROZOIC SUBAERIAL DEPOSITS

Beraldi-Campesi, H., Farmer, J. D., & Garcia-Pichel, F. (2014). PALAIOS, 29(2), 45–54. doi:10.2110/palo.2013.084

Influence of Mg2+ on CaCO3 precipitation during subsurface reactive transport in a homogeneous silicon-etched pore network

Boyd, V., Yoon, H., Zhang, C., Oostrom, M., Hess, N., Fouke, B., … Valocchi, A. J. (2014). Geochimica et Cosmochimica Acta, 135(None), 321–335. doi:10.1016/j.gca.2014.03.018

The evolution of respiratory O2/NO reductases: an out-of-the-phylogenetic-box perspective

Ducluzeau, A-L., Schoepp-Cothenet, B., Van Lis, R., Baymann, F., Russell, M. J., & Nitschke, W. (2014). Journal of The Royal Society Interface, 11(98), 20140196–20140196. doi:10.1098/rsif.2014.0196

Transmission electron microscope analyses of alteration phases in martian meteorite MIL 090032

Hallis, L. J., Ishii, H. A., Bradley, J. P., & Taylor, G. J. (2014). Geochimica et Cosmochimica Acta, 134(None), 275–288. doi:10.1016/j.gca.2014.02.007

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