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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June 2009PLANET-PLANET SCATTERING IN PLANETESIMAL DISKS

Raymond, S. N., Armitage, P. J., & Gorelick, N. (2009). The Astrophysical Journal, 699(2), L88–L92. doi:10.1088/0004-637x/699/2/l88

The HITRAN 2008 molecular spectroscopic database

Rothman, L. S., Gordon, I. E., Barbe, A., Benner, D. C., Bernath, P. F., Birk, M., … Boudon, V. (2009). Journal of Quantitative Spectroscopy and Radiative Transfer, 110(9-10), 533–572. doi:10.1016/j.jqsrt.2009.02.013

HIGH-RESOLUTION 5 μm SPECTROSCOPY OF TRANSITIONAL DISKS

Salyk, C., Blake, G. A., Boogert, A. C. A., & Brown, J. M. (2009). The Astrophysical Journal, 699(1), 330–347. doi:10.1088/0004-637x/699/1/330

Highly siderophile elements in the Earth, Moon and Mars: Update and implications for planetary accretion and differentiation

Walker, R. J. (2009). Chemie der Erde - Geochemistry, 69(2), 101–125. doi:10.1016/j.chemer.2008.10.001

FINDING TRACERS FOR SUPERNOVA PRODUCED 26 Al

Young, P. A., Ellinger, C. I., Arnett, D., Fryer, C. L., & Rockefeller, G. (2009). The Astrophysical Journal, 699(2), 938–947. doi:10.1088/0004-637x/699/2/938

May 2009THE INFRARED SPECTRA OF VERY LARGE IRREGULAR POLYCYCLIC AROMATIC HYDROCARBONS (PAHs): OBSERVATIONAL PROBES OF ASTRONOMICAL PAH GEOMETRY, SIZE, AND CHARGE

Bauschlicher, C. W., Peeters, E., & Allamandola, L. J. (2009). The Astrophysical Journal, 697(1), 311–327. doi:10.1088/0004-637x/697/1/311

An alkaline spring system within the Del Puerto Ophiolite (California, USA): A Mars analog site

Blank, J. G., Green, S. J., Blake, D., Valley, J. W., Kita, N. T., Treiman, A., & Dobson, P. F. (2009). Planetary and Space Science, 57(5-6), 533–540. doi:10.1016/j.pss.2008.11.018

[FeFe] Hydrogenase Genetic Diversity Provides Insight into Molecular Adaptation in a Saline Microbial Mat Community

Boyd, E. S., Spear, J. R., & Peters, J. W. (2009). Applied and Environmental Microbiology, 75(13), 4620–4623. doi:10.1128/aem.00582-09

The Planetary Air Leak

Catling, D. C., & Zahnle, K. J. (2009). Scientific American, 300(5), 36–43. doi:10.1038/scientificamerican0509-36

OBSERVATIONAL EVIDENCE FOR TIDAL DESTRUCTION OF EXOPLANETS

Jackson, B., Barnes, R., & Greenberg, R. (2009). The Astrophysical Journal, 698(2), 1357–1366. doi:10.1088/0004-637x/698/2/1357

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