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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July 2012Comparative Metagenomics of Two Microbial Mats at Cuatro Ciénegas Basin I: Ancient Lessons on How to Cope with an Environment Under Severe Nutrient Stress

Peimbert, M., Alcaraz, L. D., Bonilla-Rosso, G., Olmedo-Alvarez, G., GarcíA-Oliva, F., Segovia, L., … Eguiarte, L. E. (2012). Astrobiology, 12(7), 648–658. doi:10.1089/ast.2011.0694

THE INFRARED SPECTROSCOPY OF COMPACT POLYCYCLIC AROMATIC HYDROCARBONS CONTAINING UP TO 384 CARBONS

Ricca, A., Bauschlicher, C. W., Boersma, C., Tielens, A. G. G. M., & Allamandola, L. J. (2012). The Astrophysical Journal, 754(1), 75. doi:10.1088/0004-637x/754/1/75

Gypsum-Permineralized Microfossils and Their Relevance to the Search for Life on Mars

Schopf, J. W., Farmer, J. D., Foster, I. S., Kudryavtsev, A. B., Gallardo, V. A., & Espinoza, C. (2012). Astrobiology, 12(7), 619–633. doi:10.1089/ast.2012.0827

Microbial Stowaways: Inimitable Survivors or Hopeless Pioneers?

Siefert, J. L., Souza, V., Eguiarte, L., & Olmedo-Alvarez, G. (2012). Astrobiology, 12(7), 710–715. doi:10.1089/ast.2012.0833

Travel, Sex, and Food: What's Speciation Got to Do with It?

Souza, V., Eguiarte, L. E., Travisano, M., Elser, J. J., Rooks, C., & Siefert, J. L. (2012). Astrobiology, 12(7), 634–640. doi:10.1089/ast.2011.0768

The Cuatro Ciénegas Basin in Coahuila, Mexico: An Astrobiological Precambrian Park

Souza, V., Siefert, J. L., Escalante, A. E., Elser, J. J., & Eguiarte, L. E. (2012). Astrobiology, 12(7), 641–647. doi:10.1089/ast.2011.0675

The influence of mineralogy on recovering organic acids from Mars analogue materials using the “one-pot” derivatization experiment on the Sample Analysis at Mars (SAM) instrument suite

Stalport, F., Glavin, D. P., Eigenbrode, J. L., Bish, D., Blake, D., Coll, P., … Szopa, C. (2012). Planetary and Space Science, 67(1), 1–13. doi:10.1016/j.pss.2012.02.010

Do miRNAs have a deep evolutionary history?

Tarver, J. E., Donoghue, P. C. J., & Peterson, K. J. (2012). BioEssays, 34(10), 857–866. doi:10.1002/bies.201200055

Molecular evidence for an Asian origin of monitor lizards followed by Tertiary dispersals to Africa and Australasia

Vidal, N., Marin, J., Sassi, J., Battistuzzi, F. U., Donnellan, S., Fitch, A. J., … Fry, B. G. (2012). Biology Letters, 8(5), 853–855. doi:10.1098/rsbl.2012.0460

A multi-instrument study of Comet C/2009 P1 (Garradd) at 2.1AU (pre-perihelion) from the Sun

Villanueva, G. L., Mumma, M. J., DiSanti, M. A., Bonev, B. P., Paganini, L., & Blake, G. A. (2012). Icarus, 220(1), 291–295. doi:10.1016/j.icarus.2012.03.027

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