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 2013Three-dimensional radiative-hydrodynamical simulations of the highly irradiated short-period exoplanet HD 189733b

Dobbs-Dixon, I., & Agol, E. (2013). Monthly Notices of the Royal Astronomical Society, 435(4), 3159–3168. doi:10.1093/mnras/stt1509

Role of geobiology in the astrobiological exploration of the Solar System

Farmer, J. D. (2013). Geological Society of America Special Papers, None(None), 567–589. doi:10.1130/2013.2500(18)

Thermal properties, sizes, and size distribution of Jupiter-family cometary nuclei

Fernández, Y. R., Kelley, M. S., Lamy, P. L., Toth, I., Groussin, O., Lisse, C. M., … A’Hearn, M. F. (2013). Icarus, 226(1), 1138–1170. doi:10.1016/j.icarus.2013.07.021

Solar fluorescence model of CH3D as applied to comet emission

Gibb, E. L., Bonev, B. P., Villanueva, G., DiSanti, M. A., & Mumma, M. J. (2013). Journal of Molecular Spectroscopy, 291(None), 118–124. doi:10.1016/j.jms.2013.05.007

The temperature and width of an active fissure on Enceladus measured with Cassini VIMS during the 14 April 2012 South Pole flyover

Goguen, J. D., Buratti, B. J., Brown, R. H., Clark, R. N., Nicholson, P. D., Hedman, M. M., … Howell, R. R. (2013). Icarus, 226(1), 1128–1137. doi:10.1016/j.icarus.2013.07.012

Identification of nitrogenous organic species in Titan aerosols analogs: Nitrogen fixation routes in early atmospheres

He, C., & Smith, M. A. (2013). Icarus, 226(1), 33–40. doi:10.1016/j.icarus.2013.05.013

HERSCHEL /PACS SURVEY OF PROTOPLANETARY DISKS IN TAURUS/AURIGA—OBSERVATIONS OF [O I] AND [C II], AND FAR-INFRARED CONTINUUM

Howard, C. D., Sandell, G., Vacca, W. D., Duchêne, G., Mathews, G., Augereau, J-C., … Barrado, D. (2013). The Astrophysical Journal, 776(1), 21. doi:10.1088/0004-637x/776/1/21

Conservation of Protein Structure over Four Billion Years

Ingles-Prieto, A., Ibarra-Molero, B., Delgado-Delgado, A., Perez-Jimenez, R., Fernandez, J. M., Gaucher, E. A., … Sanchez-Ruiz, J. M. (2013). Structure, 21(9), 1690–1697. doi:10.1016/j.str.2013.06.020

Iron formation carbonates: Paleoceanographic proxy or recorder of microbial diagenesis?

Johnson, C. M., Ludois, J. M., Beard, B. L., Beukes, N. J., & Heimann, A. (2013). Geology, 41(11), 1147–1150. doi:10.1130/g34698.1

The Science of Exoplanets and Their Systems

Lammer, H., Blanc, M., Benz, W., Fridlund, M., Foresto, V. C. d., Güdel, M., … Rauer, H. (2013). Astrobiology, 13(9), 793–813. doi:10.1089/ast.2013.0997

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