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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April 2009MESSENGER Observations of Magnetic Reconnection in Mercury's Magnetosphere

Slavin, J. A., Acuna, M. H., Anderson, B. J., Baker, D. N., Benna, M., Boardsen, S. A., … Gloeckler, G. (2009). Science, 324(5927), 606–610. doi:10.1126/science.1172011

March 2009OUTFLOWS AND YOUNG STARS IN ORION'S LARGE COMETARY CLOUDS L1622 AND L1634

Bally, J., Walawender, J., Reipurth, B., & Thomas Megeath, S. (2009). The Astronomical Journal, 137(4), 3843–3858. doi:10.1088/0004-6256/137/4/3843

ERRATUM: “THE 5.25 AND 5.7 μm ASTRONOMICAL POLYCYCLIC AROMATIC HYDROCARBON EMISSION FEATURES” (2009, ApJ, 690, 1208)

Boersma, C., Mattioda, A. L., Bauschlicher, C. W., Peeters, E., Tielens, A. G. G. M., & Allamandola, L. J. (2009). The Astrophysical Journal, 694(1), 704–705. doi:10.1088/0004-637x/694/1/704

ANALYTICAL SOLUTIONS FOR RADIATIVE TRANSFER: IMPLICATIONS FOR GIANT PLANET FORMATION BY DISK INSTABILITY

Boss, A. P. (2009). The Astrophysical Journal, 694(1), 107–114. doi:10.1088/0004-637x/694/1/107

Comparison of the Raman spectra of ion irradiated soot and collected extraterrestrial carbon

Brunetto, R., Pino, T., Dartois, E., Cao, A-T., d'Hendecourt, L., Strazzulla, G., & Bréchignac, P. (2009). Icarus, 200(1), 323–337. doi:10.1016/j.icarus.2008.11.004

Characterization of permineralized kerogen from an Eocene fossil fern

Czaja, A. D., Kudryavtsev, A. B., Cody, G. D., & William Schopf, J. (2009). Organic Geochemistry, 40(3), 353–364. doi:10.1016/j.orggeochem.2008.12.002

Coevolution of metal availability and nitrogen assimilation in cyanobacteria and algae

Glass, J. B., Wolfe-Simon, F., & Anbar, A. D. (2009). Geobiology, 7(2), 100–123. doi:10.1111/j.1472-4669.2009.00190.x

Primary haematite formation in an oxygenated sea 3.46 billion years ago

Hoashi, M., Bevacqua, D. C., Otake, T., Watanabe, Y., Hickman, A. H., Utsunomiya, S., & Ohmoto, H. (2009). Nature Geosci, 2(4), 301–306. doi:10.1038/ngeo465

The Tree of Life Viewed Through the Contents of Genomes

House, C. H. (2009). Methods in Molecular Biology, None(None), 141–161. doi:10.1007/978-1-60327-853-9_8

A recurrent magnesium-binding motif provides a framework for the ribosomal peptidyl transferase center

Hsiao, C., & Williams, L. D. (2009). Nucleic Acids Research, 37(10), 3134–3142. doi:10.1093/nar/gkp119

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