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 2007Formation of Tellurium Nanocrystals during Anaerobic Growth of Bacteria That Use Te Oxyanions as Respiratory Electron Acceptors

Baesman, S. M., Bullen, T. D., Dewald, J., Zhang, D., Curran, S., Islam, F. S., … Oremland, R. S. (2007). Formation of Tellurium Nanocrystals during Anaerobic Growth of Bacteria That Use Te Oxyanions as Respiratory Electron Acceptors. Applied and Environmental Microbiology, 73(7), 2135–2143. doi:10.1128/aem.02558-06

March 2007The Structural Basis of Ribozyme-Catalyzed RNA Assembly

Robertson, M. P., & Scott, W. G. (2007). Science, 315(5818), 1549–1553. doi:10.1126/science.1136231

October 2006A palaeotemperature curve for the Precambrian oceans based on silicon isotopes in cherts

Robert, F., & Chaussidon, M. (2006). A palaeotemperature curve for the Precambrian oceans based on silicon isotopes in cherts. Nature, 443(7114), 969–972. doi:10.1038/nature05239

August 2005Biologically Enhanced Energy and Carbon Cycling on Titan?

Schulze-Makuch, D., & Grinspoon, D. H. (2005). Biologically Enhanced Energy and Carbon Cycling on Titan? Astrobiology, 5(4), 560–567. doi:10.1089/ast.2005.5.560

March 2005Evolution of the Solar Activity over Time and Effects on Planetary Atmospheres. I. High‐Energy Irradiances (1–1700 A)

Ribas, I., Guinan, E. F., Gudel, M., & Audard, M. (2005). The Astrophysical Journal, 622(1), 680–694. doi:10.1086/427977

April 2004Multi-Stage Origin of the Coast Range Ophiolite, California: Implications for the Life Cycle of Supra-Subduction Zone Ophiolites

Shervais, J. W., Kimbrough, D. L., Renne, P., Hanan, B. B., Murchey, B., Snow, C. A., … Beaman, J. (2004). Multi-Stage Origin of the Coast Range Ophiolite, California: Implications for the Life Cycle of Supra-Subduction Zone Ophiolites. International Geology Review, 46(4), 289–315. doi:10.2747/0020-6814.46.4.289

December 2003On the global distribution of neutral gases in Titan's upper atmosphere and its effect on the thermal structure

Müller-Wodarg, I. C. F. (2003). Journal of Geophysical Research, 108(A12), None. doi:10.1029/2003ja010054

June 2003The NASA Astrobiology Roadmap

Des Marais, D. J., Allamandola, L. J., Benner, S. A., Boss, A. P., Deamer, D., Falkowski, P. G., … Farmer, J. D. (2003). Astrobiology, 3(2), 219–235. doi:10.1089/153110703769016299

December 2002Journal of Paleolimnology

Spaulding, S. A., McKnight, D. M., Stoermer, E. F., & Doran, P. T. (1996). Journal of Paleolimnology. Journal of Paleolimnology, 17(4), 403–420. doi:10.1023/a:1007931329881

October 2002Transition from Gaseous Compounds to Aerosols in Titan's Atmosphere

Lebonnois, S., Bakes, E. L. O., & McKay, C. P. (2002). Transition from Gaseous Compounds to Aerosols in Titan's Atmosphere. Icarus, 159(2), 505–517. doi:10.1006/icar.2002.6943

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