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 2010Insights into substrate binding at FeMo-cofactor in nitrogenase from the structure of an α-70Ile MoFe protein variant

Sarma, R., Barney, B. M., Keable, S., Dean, D. R., Seefeldt, L. C., & Peters, J. W. (2010). Journal of Inorganic Biochemistry, 104(4), 385–389. doi:10.1016/j.jinorgbio.2009.11.009

Subsurface Water Oceans on Icy Satellites: Chemical Composition and Exchange Processes

Sohl, F., Choukroun, M., Kargel, J., Kimura, J., Pappalardo, R., Vance, S., & Zolotov, M. (2010). Space Sci Rev, 153(1-4), 485–510. doi:10.1007/s11214-010-9646-y

TRANSIENT FRAGMENTS IN OUTBURSTING COMET 17P/HOLMES ,

Stevenson, R., Kleyna, J., & Jewitt, D. (2010). The Astronomical Journal, 139(6), 2230–2240. doi:10.1088/0004-6256/139/6/2230

GFluid: An Excel spreadsheet for investigating C–O–H fluid composition under high temperatures and pressures

Zhang, C., & Duan, Z. (2010). Computers & Geosciences, 36(4), 569–572. doi:10.1016/j.cageo.2009.05.008

March 2010A MULTI-SITE CAMPAIGN TO MEASURE SOLAR-LIKE OSCILLATIONS IN PROCYON. II. MODE FREQUENCIES

Bedding, T. R., Kjeldsen, H., Campante, T. L., Appourchaux, T., Bonanno, A., Chaplin, W. J., … Garcia, R. A. (2010). The Astrophysical Journal, 713(2), 935–949. doi:10.1088/0004-637x/713/2/935

Ancient DNA analyses exclude humans as the driving force behind late Pleistocene musk ox (Ovibos moschatus) population dynamics

Campos, P. F., Willerslev, E., Sher, A., Orlando, L., Axelsson, E., Tikhonov, A., … Aaris-Sorensen, K. (2010). Proceedings of the National Academy of Sciences, 107(12), 5675–5680. doi:10.1073/pnas.0907189107

CHANDRA OBSERVATIONS OF COMETS 8P/TUTTLE AND 17P/HOLMES DURING SOLAR MINIMUM

Christian, D. J., Bodewits, D., Lisse, C. M., Dennerl, K., Wolk, S. J., Hsieh, H., … Zurbuchen, T. H. (2010). The Astrophysical Journal Supplement Series, 187(2), 447–459. doi:10.1088/0067-0049/187/2/447

Iron and carbon isotope evidence for ecosystem and environmental diversity in the ∼2.7 to 2.5Ga Hamersley Province, Western Australia

Czaja, A. D., Johnson, C. M., Beard, B. L., Eigenbrode, J. L., Freeman, K. H., & Yamaguchi, K. E. (2010). Earth and Planetary Science Letters, 292(1-2), 170–180. doi:10.1016/j.epsl.2010.01.032

Global patterns in leaf 13C discrimination and implications for studies of past and future climate

Diefendorf, A. F., Mueller, K. E., Wing, S. L., Koch, P. L., & Freeman, K. H. (2010). Proceedings of the National Academy of Sciences, 107(13), 5738–5743. doi:10.1073/pnas.0910513107

Phase Behaviour of Ices and Hydrates

Fortes, A. D., & Choukroun, M. (2010). Space Sci Rev, 153(1-4), 185–218. doi:10.1007/s11214-010-9633-3

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