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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May 2011Comment on "A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus"

Benner, S. A. (2011). Science, 332(6034), 1149–1149. doi:10.1126/science.1201304

Diversity, Abundance, and Potential Activity of Nitrifying and Nitrate-Reducing Microbial Assemblages in a Subglacial Ecosystem

Boyd, E. S., Lange, R. K., Mitchell, A. C., Havig, J. R., Hamilton, T. L., Lafreniere, M. J., … Shock, E. L. (2011). Applied and Environmental Microbiology, 77(14), 4778–4787. doi:10.1128/aem.00376-11

Phosphate biomineralization in mid-Neoproterozoic protists

Cohen, P. A., Schopf, J. W., Butterfield, N. J., Kudryavtsev, A. B., & Macdonald, F. A. (2011). Geology, 39(6), 539–542. doi:10.1130/g31833.1

Astrobiology and habitability studies in preparation for future Mars missions: trends from investigating minerals, organics and biota

Ehrenfreund, P., Röling, W. F. M., Thiel, C. S., Quinn, R., Sephton, M. A., Stoker, C., … Kotler, J. M. (2011). International Journal of Astrobiology, 10(03), 239–253. doi:10.1017/s1473550411000140

FORMATION OF D 2 -WATER AND D 2 -CARBONIC ACID IN OXYGEN-RICH SOLAR SYSTEM ICES VIA D + 2 IRRADIATION

Ennis, C., Bennett, C. J., Jones, B. M., & Kaiser, R. I. (2011). The Astrophysical Journal, 733(2), 79. doi:10.1088/0004-637x/733/2/79

FORMATION OF D 2 -WATER AND D 2 -CARBONIC ACID IN OXYGEN-RICH SOLAR SYSTEM ICES VIA D + 2 IRRADIATION

Ennis, C., Bennett, C. J., Jones, B. M., & Kaiser, R. I. (2011). The Astrophysical Journal, 733(2), 79. doi:10.1088/0004-637x/733/2/79

The global population of large craters on Mercury and comparison with the Moon

Fassett, C. I., Kadish, S. J., Head, J. W., Solomon, S. C., & Strom, R. G. (2011). Geophysical Research Letters, 38(10), n/a–n/a. doi:10.1029/2011gl047294

Comment on "A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus"

Foster, P. L. (2011). Science, 332(6034), i–1149. doi:10.1126/science.1201551

Availability of O 2 and H 2 O 2 on Pre-Photosynthetic Earth

Haqq-Misra, J., Kasting, J. F., & Lee, S. (2011). Astrobiology, 11(4), 293–302. doi:10.1089/ast.2010.0572

MECHANISTICAL STUDIES ON THE PRODUCTION OF FORMAMIDE (H 2 NCHO) WITHIN INTERSTELLAR ICE ANALOGS

Jones, B. M., Bennett, C. J., & Kaiser, R. I. (2011). The Astrophysical Journal, 734(2), 78. doi:10.1088/0004-637x/734/2/78

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