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 2014Microplasma Discharge Vacuum Ultraviolet Photoionization Source for Atmospheric Pressure Ionization Mass Spectrometry

Symonds, J. M., Gann, R. N., Fernández, F. M., & Orlando, T. M. (2014). Microplasma Discharge Vacuum Ultraviolet Photoionization Source for Atmospheric Pressure Ionization Mass Spectrometry. Journal of The American Society for Mass Spectrometry, 25(9), 1557–1564. doi:10.1007/s13361-014-0937-5

Damping of glacial-interglacial cycles from anthropogenic forcing

Haqq-Misra, J. (2014). Journal of Advances in Modeling Earth Systems, 6(3), 950–955. doi:10.1002/2014ms000326

Stellar activity masquerading as planets in the habitable zone of the M dwarf Gliese 581

Robertson, P., Mahadevan, S., Endl, M., & Roy, A. (2014). Science, 345(6195), 440–444. doi:10.1126/science.1253253

Constraining the structure of the transition disk HD 135344B (SAO 206462) by simultaneous modeling of multiwavelength gas and dust observations

Carmona, A., Pinte, C., Thi, W. F., Benisty, M., Ménard, F., Grady, C., … Kamp, I. (2014). A&A, 567(None), A51. doi:10.1051/0004-6361/201322534

SHOCK CORRUGATION BY RAYLEIGH-TAYLOR INSTABILITY IN GAMMA-RAY BURST AFTERGLOW JETS

Duffell, P. C., & MacFadyen, A. I. (2014). The Astrophysical Journal, 791(1), L1. doi:10.1088/2041-8205/791/1/l1

SHOCK CORRUGATION BY RAYLEIGH-TAYLOR INSTABILITY IN GAMMA-RAY BURST AFTERGLOW JETS

Duffell, P. C., & MacFadyen, A. I. (2014). The Astrophysical Journal, 791(1), L1. doi:10.1088/2041-8205/791/1/l1

Overview of current capabilities and research and technology developments for planetary protection

Frick, A., Mogul, R., Stabekis, P., Conley, C. A., & Ehrenfreund, P. (2014). Advances in Space Research, 54(2), 221–240. doi:10.1016/j.asr.2014.02.016

Prebiotic synthesis of triazines from urea: a theoretical study of free radical routes to melamine, ammeline, ammelide and cyanuric acid

Jeilani, Y. A., Orlando, T. M., Pope, A., Pirim, C., & Nguyen, M. T. (2014). RSC Adv., 4(61), 32375. doi:10.1039/c4ra03717k

Report of the workshop for life detection in samples from Mars

Kminek, G., Conley, C., Allen, C. C., Bartlett, D. H., Beaty, D. W., Benning, L. G., … Bhartia, R. (2014). Life Sciences in Space Research, 2(None), 1–5. doi:10.1016/j.lssr.2014.05.001

Feedbacks between flow, sediment motion and microbial growth on sand bars initiate and shape elongated stromatolite mounds

Mariotti, G., Perron, J. T., & Bosak, T. (2014). Earth and Planetary Science Letters, 397(None), 93–100. doi:10.1016/j.epsl.2014.04.036

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