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 2011Is there methane on Mars?

Zahnle, K., Freedman, R. S., & Catling, D. C. (2011). Icarus, 212(2), 493–503. doi:10.1016/j.icarus.2010.11.027

March 2011Step-Growth Control in Template-Directed Polymerization

G. Lynn, D., Li, X., F. Hernandez, A., A. Grover, M., & Hud, N. V. (2010). Step-Growth Control in Template-Directed Polymerization. HETEROCYCLES, 82(2), 1477. doi:10.3987/com-10-s(e)99

Primordial synthesis of amines and amino acids in a 1958 Miller H2S-rich spark discharge experiment

Parker, E. T., Cleaves, H. J., Dworkin, J. P., Glavin, D. P., Callahan, M., Aubrey, A., … Bada, J. L. (2011). Primordial synthesis of amines and amino acids in a 1958 Miller H2S-rich spark discharge experiment. Proceedings of the National Academy of Sciences, 108(14), 5526–5531. doi:10.1073/pnas.1019191108

Metalloproteins and the Pyrite-based Origin of Life: A Critical Assessment

Rivas, M., Becerra, A., Peretó, J., Bada, J. L., & Lazcano, A. (2011). Metalloproteins and the Pyrite-based Origin of Life: A Critical Assessment. Origins of Life and Evolution of Biospheres, 41(4), 347–356. doi:10.1007/s11084-011-9238-1

Star formation in the “Gulf of Mexico”

Armond, T., Reipurth, B., Bally, J., & Aspin, C. (2011). A&A, 528(None), A125. doi:10.1051/0004-6361/200912671

FORMATION OF GIANT PLANETS BY DISK INSTABILITY ON WIDE ORBITS AROUND PROTOSTARS WITH VARIED MASSES

Boss, A. P. (2011). The Astrophysical Journal, 731(1), 74. doi:10.1088/0004-637x/731/1/74

Photochemistry of polycyclic aromatic hydrocarbons in cosmic water ice

Bouwman, J., Cuppen, H. M., Steglich, M., Allamandola, L. J., & Linnartz, H. (2011). A&A, 529(None), A46. doi:10.1051/0004-6361/201015762

THE ORBITS OF NEPTUNE'S OUTER SATELLITES

Brozović, M., Jacobson, R. A., & Sheppard, S. S. (2011). The Astronomical Journal, 141(4), 135. doi:10.1088/0004-6256/141/4/135

ICES IN THE QUIESCENT IC 5146 DENSE CLOUD

Chiar, J. E., Pendleton, Y. J., Allamandola, L. J., Boogert, A. C. A., Ennico, K., Greene, T. P., … Geballe, T. R. (2011). The Astrophysical Journal, 731(1), 9. doi:10.1088/0004-637x/731/1/9

ICES IN THE QUIESCENT IC 5146 DENSE CLOUD

Chiar, J. E., Pendleton, Y. J., Allamandola, L. J., Boogert, A. C. A., Ennico, K., Greene, T. P., … Geballe, T. R. (2011). The Astrophysical Journal, 731(1), 9. doi:10.1088/0004-637x/731/1/9

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