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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November 2012Hydrogenases, Nitrogenases, Anoxia, and H2 Production in Water-Oxidizing Phototrophs

Peters, J. W., Boyd, E. S., D’Adamo, S., Mulder, D. W., Therien, J., & Posewitz, M. C. (2012). Algae for Biofuels and Energy, None(None), 37–75. doi:10.1007/978-94-007-5479-9_3

Rhenium–osmium isotope and highly-siderophile-element abundance systematics of angrite meteorites

Riches, A. J. V., Day, J. M. D., Walker, R. J., Simonetti, A., Liu, Y., Neal, C. R., & Taylor, L. A. (2012). Earth and Planetary Science Letters, 353-354(None), 208–218. doi:10.1016/j.epsl.2012.08.006

Biogenicity of Earth's earliest fossils: A resolution of the controversy

Schopf, J. W., & Kudryavtsev, A. B. (2012). Gondwana Research, 22(3-4), 761–771. doi:10.1016/j.gr.2012.07.003

THE COLOR DIFFERENCES OF KUIPER BELT OBJECTS IN RESONANCE WITH NEPTUNE

Sheppard, S. S. (2012). The Astronomical Journal, 144(6), 169. doi:10.1088/0004-6256/144/6/169

Man and his spaceships

Siefert, J. L. (2012). Mobile Genetic Elements, 2(6), 272–278. doi:10.4161/mge.23238

Observations of Titan’s Northern lakes at 5μm: Implications for the organic cycle and geology

Sotin, C., Lawrence, K. J., Reinhardt, B., Barnes, J. W., Brown, R. H., Hayes, A. G., … Le Mouélic, S. (2012). Icarus, 221(2), 768–786. doi:10.1016/j.icarus.2012.08.017

Stem cells and lineages of the intestine: a developmental and evolutionary perspective

Takashima, S., Gold, D., & Hartenstein, V. (2012). Dev Genes Evol, 223(1-2), 85–102. doi:10.1007/s00427-012-0422-8

DETECTION OF A COOL, ACCRETION-SHOCK-GENERATED X-RAY PLASMA IN EX LUPI DURING THE 2008 OPTICAL ERUPTION

Teets, W. K., Weintraub, D. A., Kastner, J. H., Grosso, N., Hamaguchi, K., & Richmond, M. (2012). The Astrophysical Journal, 760(1), 89. doi:10.1088/0004-637x/760/1/89

Ce and Eu anomalies in zircon as proxies for the oxidation state of magmas

Trail, D., Bruce Watson, E., & Tailby, N. D. (2012). Geochimica et Cosmochimica Acta, 97(None), 70–87. doi:10.1016/j.gca.2012.08.032

THE DISCOVERY OF HD 37605 c AND A DISPOSITIVE NULL DETECTION OF TRANSITS OF HD 37605 b

Wang, S. X., Wright, J. T., Cochran, W., Kane, S. R., Henry, G. W., Payne, M. J., … Endl, M. (2012). The Astrophysical Journal, 761(1), 46. doi:10.1088/0004-637x/761/1/46

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