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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February 2010Molybdenum-nitrogen co-limitation in freshwater and coastal heterocystous cyanobacteria

Glass, J. B., Wolfe-Simon, F., Elser, J. J., & Anbar, A. D. (2010). Molybdenum-nitrogen co-limitation in freshwater and coastal heterocystous cyanobacteria. Limnology and Oceanography, 55(2), 667–676. doi:10.4319/lo.2010.55.2.0667

Effects of Simulated Mars Conditions on the Survival and Growth of Escherichia coli and Serratia liquefaciens

Berry, B. J., Jenkins, D. G., & Schuerger, A. C. (2010). Effects of Simulated Mars Conditions on the Survival and Growth of Escherichia coli and Serratia liquefaciens. Applied and Environmental Microbiology, 76(8), 2377–2386. doi:10.1128/aem.02147-09

Temperature controls on aquatic bacterial production and community dynamics in arctic lakes and streams

Adams, H. E., Crump, B. C., & Kling, G. W. (2010). Environmental Microbiology, 12(5), 1319–1333. doi:10.1111/j.1462-2920.2010.02176.x

STRONG CONSTRAINTS TO THE PUTATIVE PLANET CANDIDATE AROUND VB 10 USING DOPPLER SPECTROSCOPY

Anglada-Escudé, G., Shkolnik, E. L., Weinberger, A. J., Thompson, I. B., Osip, D. J., & Debes, J. H. (2010). The Astrophysical Journal, 711(1), L24–L29. doi:10.1088/2041-8205/711/1/l24

FIVE LONG-PERIOD EXTRASOLAR PLANETS IN ECCENTRIC ORBITS FROM THE MAGELLAN PLANET SEARCH PROGRAM

Arriagada, P., Butler, R. P., Minniti, D., López-Morales, M., Shectman, S. A., Adams, F. C., … Boss, A. P. (2010). The Astrophysical Journal, 711(2), 1229–1235. doi:10.1088/0004-637x/711/2/1229

HAT-P-11b: A SUPER-NEPTUNE PLANET TRANSITING A BRIGHT K STAR IN THE KEPLER FIELD

Bakos, G. Á., Torres, G., Pál, A., Hartman, J., Kovács, G., Noyes, R. W., … Latham, D. W. (2010). The Astrophysical Journal, 710(2), 1724–1745. doi:10.1088/0004-637x/710/2/1724

The 15–20 μ m PAH emission features: probes of individual PAHs?

Boersma, C., Bauschlicher, C. W., Allamandola, L. J., Ricca, A., Peeters, E., & Tielens, A. G. G. M. (2010). A&A, 511(None), A32. doi:10.1051/0004-6361/200912714

Photochemistry of the PAH pyrene in water ice: the case for ion-mediated solid-state astrochemistry

Bouwman, J., Cuppen, H. M., Bakker, A., Allamandola, L. J., & Linnartz, H. (2010). A&A, 511(None), A33. doi:10.1051/0004-6361/200913291

Early life: Ancient acritarchs

Buick, R. (2010). Nature, 463(7283), 885–886. doi:10.1038/463885a

Stability of methane clathrate hydrates under pressure: Influence on outgassing processes of methane on Titan

Choukroun, M., Grasset, O., Tobie, G., & Sotin, C. (2010). Icarus, 205(2), 581–593. doi:10.1016/j.icarus.2009.08.011

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