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 2011STELLAR VARIABILITY OF THE EXOPLANET HOSTING STAR HD 63454

Kane, S. R., Dragomir, D., Ciardi, D. R., Lee, J-W., Lo Curto, G., Lovis, C., … Naef, D. (2011). The Astrophysical Journal, 737(2), 58. doi:10.1088/0004-637x/737/2/58

Ecosystems biology of microbial metabolism

Klitgord, N., & Segrè, D. (2011). Current Opinion in Biotechnology, 22(4), 541–546. doi:10.1016/j.copbio.2011.04.018

Methods and measurements to assess physical and geochemical conditions at the surface of Europa

Korablev, O., Gerasimov, M., Brad Dalton, J., Hand, K., Lebreton, J-P., & Webster, C. (2011). Advances in Space Research, 48(4), 702–717. doi:10.1016/j.asr.2010.12.010

Discovery of lost diversity of paternal horse lineages using ancient DNA

Lippold, S., Knapp, M., Kuznetsova, T., Leonard, J. A., Benecke, N., Ludwig, A., … Rasmussen, M. (2011). Nat Comms, 2(None), 450. doi:10.1038/ncomms1447

Size of the group IVA iron meteorite core: Constraints from the age and composition of Muonionalusta

Moskovitz, N. A., & Walker, R. J. (2011). Earth and Planetary Science Letters, 308(3-4), 410–416. doi:10.1016/j.epsl.2011.06.010

Insights into [FeFe]-Hydrogenase Structure, Mechanism, and Maturation

Mulder, D. W., Shepard, E. M., Meuser, J. E., Joshi, N., King, P. W., Posewitz, M. C., … Broderick, J. B. (2011). Structure, 19(8), 1038–1052. doi:10.1016/j.str.2011.06.008

Itokawa Dust Particles: A Direct Link Between S-Type Asteroids and Ordinary Chondrites

Nakamura, T., Noguchi, T., Tanaka, M., Zolensky, M. E., Kimura, M., Tsuchiyama, A., … Nakato, A. (2011). Science, 333(6046), 1113–1116. doi:10.1126/science.1207758

Microbiology: Hydrogen for dinner

Orphan, V. J., & Hoehler, T. M. (2011). Nature, 476(7359), 154–155. doi:10.1038/476154a

Estimating the timing of early eukaryotic diversification with multigene molecular clocks

Parfrey, L. W., Lahr, D. J. G., Knoll, A. H., & Katz, L. A. (2011). Proceedings of the National Academy of Sciences, 108(33), 13624–13629. doi:10.1073/pnas.1110633108

THE INFRARED SPECTRUM OF URANIUM HOLLOW CATHODE LAMPS FROM 850 nm to 4000 nm: WAVENUMBERS AND LINE IDENTIFICATIONS FROM FOURIER TRANSFORM SPECTRA

Redman, S. L., Lawler, J. E., Nave, G., Ramsey, L. W., & Mahadevan, S. (2011). The Astrophysical Journal Supplement Series, 195(2), 24. doi:10.1088/0067-0049/195/2/24

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