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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August 2011Observational tests of interstellar methanol formation

Wirström, E. S., Geppert, W. D., Hjalmarson, Å., Persson, C. M., Black, J. H., Bergman, P., … Millar, T. J. (2011). A&A, 533(None), A24. doi:10.1051/0004-6361/201116525

THE FREQUENCY OF LOW-MASS EXOPLANETS. III. TOWARD η ⊕ AT SHORT PERIODS

Wittenmyer, R. A., Tinney, C. G., Butler, R. P., O’Toole, S. J., Jones, H. R. A., Carter, B. D., … Bailey, J. (2011). The Astrophysical Journal, 738(1), 81. doi:10.1088/0004-637x/738/1/81

Population-level genotyping of coat colour polymorphism in woolly mammoth (Mammuthus primigenius)

Workman, C., Dalen, L., Vartanyan, S., Shapiro, B., Kosintsev, P., Sher, A., … Gotherstrom, A. (2011). Quaternary Science Reviews, 30(17-18), 2304–2308. doi:10.1016/j.quascirev.2010.08.020

NEAR-INFRARED OBSERVATIONS OF COMET-LIKE ASTEROID (596) SCHEILA

Yang, B., & Hsieh, H. (2011). The Astrophysical Journal, 737(2), L39. doi:10.1088/2041-8205/737/2/l39

SEARCHING FOR WATER EARTHS IN THE NEAR-INFRARED

Zugger, M. E., Kasting, J. F., Williams, D. M., Kane, T. J., & Philbrick, C. R. (2011). The Astrophysical Journal, 739(1), 12. doi:10.1088/0004-637x/739/1/12

July 2011Molecular Recognition of Watson-Crick-Like Purine-Purine Base Pairs

Buckley, R., Enekwa, C. D., Williams, L. D., & Hud, N. V. (2011). Molecular Recognition of Watson-Crick-Like Purine-Purine Base Pairs. ChemBioChem, 12(14), 2155–2158. doi:10.1002/cbic.201100375

Physiological Differentiation within a Single-Species Biofilm Fueled by Serpentinization

Brazelton, W. J., Mehta, M. P., Kelley, D. S., & Baross, J. A. (2011). mBio, 2(4), e00127–11–e00127–11. doi:10.1128/mbio.00127-11

Field reconnaissance geologic mapping of the Columbia Hills, Mars, based on Mars Exploration Rover Spirit and MRO HiRISE observations

Crumpler, L. S., Arvidson, R. E., Squyres, S. W., McCoy, T., Yingst, A., Ruff, S., … Farrand, W. (2011). Journal of Geophysical Research, 116(None), None. doi:10.1029/2010je003749

A 5 μm IMAGE OF β PICTORIS b AT A SUB-JUPITER PROJECTED SEPARATION: EVIDENCE FOR A MISALIGNMENT BETWEEN THE PLANET AND THE INNER, WARPED DISK

Currie, T., Thalmann, C., Matsumura, S., Madhusudhan, N., Burrows, A., & Kuchner, M. (2011). The Astrophysical Journal, 736(2), L33. doi:10.1088/2041-8205/736/2/l33

Novelties That Change Carrying Capacity

Erwin, D. H. (2011). J. Exp. Zool. (Mol. Dev. Evol.), 318(6), 460–465. doi:10.1002/jez.b.21429

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