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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August 2015From Chemical Gardens to Chemobrionics

Barge, L. M., Cardoso, S. S. S., Cartwright, J. H. E., Cooper, G. J. T., Cronin, L., De Wit, A., … Doloboff, I. J. (2015). Chem. Rev., 115(16), 8652–8703. doi:10.1021/acs.chemrev.5b00014

Lineage-specific patterns of genome deterioration in obligate symbionts of sharpshooter leafhoppers

Bennett, G. M., McCutcheon, J. P., McDonald, B. R., & Moran, N. A. (2015). Genome Biology and Evolution, None(None), evv159. doi:10.1093/gbe/evv159

Structural and Developmental Disparity in the Tentacles of the Moon Jellyfish Aurelia sp.1

Gold, D. A., Nakanishi, N., Hensley, N. M., Cozzolino, K., Tabatabaee, M., Martin, M., … Hartenstein, V. (2015). PLoS ONE, 10(8), e0134741. doi:10.1371/journal.pone.0134741

Symbiosis becoming permanent: Survival of the luckiest

Keeling, P. J., McCutcheon, J. P., & Ford Doolittle, W. (2015). Proc Natl Acad Sci USA, 112(33), 10101–10103. doi:10.1073/pnas.1513346112

Evaluation of the Tenax trap in the Sample Analysis at Mars instrument suite on the Curiosity rover as a potential hydrocarbon source for chlorinated organics detected in Gale Crater

Miller, K. E., Kotrc, B., Summons, R. E., Belmahdi, I., Buch, A., Eigenbrode, J. L., … Freissinet, C. (2015). Journal of Geophysical Research: Planets, 120(8), 1446–1459. doi:10.1002/2015je004825

DETECTING AND CONSTRAINING N 2 ABUNDANCES IN PLANETARY ATMOSPHERES USING COLLISIONAL PAIRS

Schwieterman, E. W., Robinson, T. D., Meadows, V. S., Misra, A., & Domagal-Goldman, S. (2015). The Astrophysical Journal, 810(1), 57. doi:10.1088/0004-637x/810/1/57

Preserved Filamentous Microbial Biosignatures in the Brick Flat Gossan, Iron Mountain, California

Williams, A. J., Sumner, D. Y., Alpers, C. N., Karunatillake, S., & Hofmann, B. A. (2015). Astrobiology, 15(8), 637–668. doi:10.1089/ast.2014.1235

From Chemical Gardens to Chemobrionics

Barge, L. M., Cardoso, S. S. S., Cartwright, J. H. E., Cooper, G. J. T., Cronin, L., De Wit, A., … Doloboff, I. J. (2015). Chem. Rev., 115(16), 8652–8703. doi:10.1021/acs.chemrev.5b00014

Lineage-Specific Patterns of Genome Deterioration in Obligate Symbionts of Sharpshooter Leafhoppers

Bennett, G. M., McCutcheon, J. P., McDonald, B. R., & Moran, N. A. (2015). Genome Biology and Evolution, 8(1), 296–301. doi:10.1093/gbe/evv159

David M. Raup (1933–2015)

Erwin, D. H. (2015). Nature, 524(7563), 36–36. doi:10.1038/524036a

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