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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December 2015Rarity in mass extinctions and the future of ecosystems

Hull, P. M., Darroch, S. A. F., & Erwin, D. H. (2015). Nature, 528(7582), 345–351. doi:10.1038/nature16160

A Strategy for Origins of Life Research

Scharf, C., Virgo, N., Cleaves, H. J., Aono, M., Aubert-Kato, N., Aydinoglu, A., … Barahona, A. (2015). Astrobiology, 15(12), 1031–1042. doi:10.1089/ast.2015.1113

October 2015THE CENTER OF LIGHT: SPECTROASTROMETRIC DETECTION OF EXOMOONS

Agol, E., Jansen, T., Lacy, B., Robinson, T. D., & Meadows, V. (2015). The Astrophysical Journal, 812(1), 5. doi:10.1088/0004-637x/812/1/5

July 2015Thick sulfate evaporite accumulations marking a mid-Neoproterozoic oxygenation event (Ten Stone Formation, Northwest Territories, Canada)

Turner, E. C., & Bekker, A. (2015). Geological Society of America Bulletin, None(None), B31268.1. doi:10.1130/b31268.1

March 2015Ongoing hydrothermal activities within Enceladus

Hsu, H-W., Postberg, F., Sekine, Y., Shibuya, T., Kempf, S., Horányi, M., … Srama, R. (2015). Ongoing hydrothermal activities within Enceladus. Nature, 519(7542), 207–210. doi:10.1038/nature14262

November 2011Active formation of ‘chaos terrain’ over shallow subsurface water on Europa

Schmidt, B. E., Blankenship, D. D., Patterson, G. W., & Schenk, P. M. (2011). Active formation of ‘chaos terrain’ over shallow subsurface water on Europa. Nature, 479(7374), 502–505. doi:10.1038/nature10608

October 2008Entry approach into pristine ice-sealed lakes-Lake Vida, East Antarctica, a model ecosystem

Doran, P. T., Fritsen, C. H., Murray, A. E., Kenig, F., McKay, C. P., & Kyne, J. D. (2008). Entry approach into pristine ice-sealed lakes-Lake Vida, East Antarctica, a model ecosystem. Limnology and Oceanography: Methods, 6(10), 542–547. doi:10.4319/lom.2008.6.542

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

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

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