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 2015SIX PLANETS ORBITING HD 219134

Vogt, S. S., Burt, J., Meschiari, S., Butler, R. P., Henry, G. W., Wang, S., … Laughlin, G. (2015). SIX PLANETS ORBITING HD 219134. The Astrophysical Journal, 814(1), 12. doi:10.1088/0004-637x/814/1/12

Structure, Anharmonic Vibrational Frequencies, and Intensities of NNHNN+

Yu, Q., Bowman, J. M., Fortenberry, R. C., Mancini, J. S., Lee, T. J., Crawford, T. D., … Francisco, J. S. (2015). Structure, Anharmonic Vibrational Frequencies, and Intensities of NNHNN+. The Journal of Physical Chemistry A, 119(47), 11623–11631. doi:10.1021/acs.jpca.5b09682

Nucleoside phosphorylation by the mineral schreibersite

Gull, M., Mojica, M. A., Fernández, F. M., Gaul, D. A., Orlando, T. M., Liotta, C. L., & Pasek, M. A. (2015). Nucleoside phosphorylation by the mineral schreibersite. Scientific Reports, 5(1), None. doi:10.1038/srep17198

Widespread occurrence of (per)chlorate in the Solar System

Jackson, W. A., Davila, A. F., Sears, D. W. G., Coates, J. D., McKay, C. P., Brundrett, M., … Estrada, N. (2015). Earth and Planetary Science Letters, 430(None), 470–476. doi:10.1016/j.epsl.2015.09.003

Ankerite grains with dolomite cores: A diffusion chronometer for low- to medium-grade regionally metamorphosed clastic sediments

Ferry, J. M., Stubbs, J. E., Xu, H., Guan, Y., & Eiler, J. M. (2015). American Mineralogist, 100(11-12), 2443–2457. doi:10.2138/am-2015-5209

Stable Carbon Isotope Fractionation during Bacterial Acetylene Fermentation: Potential for Life Detection in Hydrocarbon-Rich Volatiles of Icy Planet(oid)s

Miller, L. G., Baesman, S. M., & Oremland, R. S. (2015). Astrobiology, 15(11), 977–986. doi:10.1089/ast.2015.1355

A redox-stratified ocean 3.2 billion years ago

Satkoski, A. M., Beukes, N. J., Li, W., Beard, B. L., & Johnson, C. M. (2015). Earth and Planetary Science Letters, 430(None), 43–53. doi:10.1016/j.epsl.2015.08.007

Mackinawite and greigite in ancient alkaline hydrothermal chimneys: Identifying potential key catalysts for emergent life

White, L. M., Bhartia, R., Stucky, G. D., Kanik, I., & Russell, M. J. (2015). Earth and Planetary Science Letters, 430(None), 105–114. doi:10.1016/j.epsl.2015.08.013

Chemical Gardens as Flow-through Reactors Simulating Natural Hydrothermal Systems

Barge, L. M., Abedian, Y., Doloboff, I. J., Nuñez, J. E., Russell, M. J., Kidd, R. D., & Kanik, I. (2015). JoVE, None(105), None. doi:10.3791/53015

COMPARATIVE HABITABILITY OF TRANSITING EXOPLANETS

Barnes, R., Meadows, V. S., & Evans, N. (2015). The Astrophysical Journal, 814(2), 91. doi:10.1088/0004-637x/814/2/91

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