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 2015LOWER LIMITS ON APERTURE SIZE FOR AN EXOEARTH DETECTING CORONAGRAPHIC MISSION

Stark, C. C., Roberge, A., Mandell, A., Clampin, M., Domagal-Goldman, S. D., McElwain, M. W., & Stapelfeldt, K. R. (2015). The Astrophysical Journal, 808(2), 149. doi:10.1088/0004-637x/808/2/149

LOWER LIMITS ON APERTURE SIZE FOR AN EXOEARTH DETECTING CORONAGRAPHIC MISSION

Stark, C. C., Roberge, A., Mandell, A., Clampin, M., Domagal-Goldman, S. D., McElwain, M. W., & Stapelfeldt, K. R. (2015). The Astrophysical Journal, 808(2), 149. doi:10.1088/0004-637x/808/2/149

Chemostratigraphy of the Shaler Supergroup, Victoria Island, NW Canada: A record of ocean composition prior to the Cryogenian glaciations

Thomson, D., Rainbird, R. H., Planavsky, N., Lyons, T. W., & Bekker, A. (2015). Precambrian Research, 263(None), 232–245. doi:10.1016/j.precamres.2015.02.007

Thick 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

Basalt weathering in an Arctic Mars-analog site

Yesavage, T., Thompson, A., Hausrath, E. M., & Brantley, S. L. (2015). Icarus, 254(None), 219–232. doi:10.1016/j.icarus.2015.03.011

June 2015A RING OF C2H IN THE MOLECULAR DISK ORBITING TW Hya

Kastner, J. H., Qi, C., Gorti, U., Hily-Blant, P., Oberg, K., Forveille, T., … Wilner, D. (2015). A RING OF C2H IN THE MOLECULAR DISK ORBITING TW Hya. The Astrophysical Journal, 806(1), 75. doi:10.1088/0004-637x/806/1/75

Morphospaces and Databases: Diatom Diversification through Time

Kotrc, B., & Knoll, A. H. (2015). Morphospaces and Databases: Diatom Diversification through Time. Evolution of Lightweight Structures, None, 17–37. doi:10.1007/978-94-017-9398-8_2

The Significance of Microbe-Mineral-Biomarker Interactions in the Detection of Life on Mars and Beyond

Röling, W. F. M., Aerts, J. W., Patty, C. H. L., Ten Kate, I. L., Ehrenfreund, P., & Direito, S. O. L. (2015). The Significance of Microbe-Mineral-Biomarker Interactions in the Detection of Life on Mars and Beyond. Astrobiology, 15(6), 492–507. doi:10.1089/ast.2014.1276

Reaching Back to Jump Forward: Recent Efforts towards a Systems-Level Hypothesis for an Early RNA World

Springsteen, G. (2015). Reaching Back to Jump Forward: Recent Efforts towards a Systems-Level Hypothesis for an Early RNA World. ChemBioChem, 16(10), 1411–1413. doi:10.1002/cbic.201500233

Methane Oxidation and Molecular Characterization of Methanotrophs from a Former Mercury Mine Impoundment

Baesman, S., Miller, L., Wei, J., Cho, Y., Matys, E., Summons, R., … Welander, P. (2015). Microorganisms, 3(2), 290–309. doi:10.3390/microorganisms3020290

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