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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May 2015Workshop to develop deep-life continental scientific drilling projects

Kieft, T. L., Onstott, T. C., Ahonen, L., Aloisi, V., Colwell, F. S., Engelen, B., … Wilkins, M. J. (2015). Workshop to develop deep-life continental scientific drilling projects. Scientific Drilling, 19, 43–53. doi:10.5194/sd-19-43-2015

Electronically excited states of PANH anions

Theis, M. L., Candian, A., Tielens, A. G. G. M., Lee, T. J., & Fortenberry, R. C. (2015). Electronically excited states of PANH anions. Phys. Chem. Chem. Phys., 17(22), 14761–14772. doi:10.1039/c5cp01354b

Evidence for an explosive origin of central pit craters on Mars

Williams, N. R., Bell, J. F., Christensen, P. R., & Farmer, J. D. (2015). Evidence for an explosive origin of central pit craters on Mars. Icarus, 252, 175–185. doi:10.1016/j.icarus.2014.12.005

Electronically excited states of PANH anions

Theis, M. L., Candian, A., Tielens, A. G. G. M., Lee, T. J., & Fortenberry, R. C. (2015). Phys. Chem. Chem. Phys., 17(22), 14761–14772. doi:10.1039/c5cp01354b

A Chemical Engineering Perspective on the Origins of Life

Grover, M., He, C., Hsieh, M-C., & Yu, S-S. (2015). A Chemical Engineering Perspective on the Origins of Life. Processes, 3(2), 309–338. doi:10.3390/pr3020309

From Chemical Gardens to Fuel Cells: Generation of Electrical Potential and Current Across Self-Assembling Iron Mineral Membranes

Barge, L. M., Abedian, Y., Russell, M. J., Doloboff, I. J., Cartwright, J. H. E., Kidd, R. D., & Kanik, I. (2015). From Chemical Gardens to Fuel Cells: Generation of Electrical Potential and Current Across Self-Assembling Iron Mineral Membranes. Angewandte Chemie International Edition, 54(28), 8184–8187. doi:10.1002/anie.201501663

From Chemical Gardens to Fuel Cells: Generation of Electrical Potential and Current Across Self-Assembling Iron Mineral Membranes

Barge, L. M., Abedian, Y., Russell, M. J., Doloboff, I. J., Cartwright, J. H. E., Kidd, R. D., & Kanik, I. (2015). Angew. Chem. Int. Ed., 54(28), 8184–8187. doi:10.1002/anie.201501663

Framework for analyzing ecological trait-based models in multidimensional niche spaces

Biancalani, T., DeVille, L., & Goldenfeld, N. (2015). Phys. Rev. E, 91(5), None. doi:10.1103/physreve.91.052107

Uranium and molybdenum isotope evidence for an episode of widespread ocean oxygenation during the late Ediacaran Period

Kendall, B., Komiya, T., Lyons, T. W., Bates, S. M., Gordon, G. W., Romaniello, S. J., … Jiang, G. (2015). Geochimica et Cosmochimica Acta, 156(None), 173–193. doi:10.1016/j.gca.2015.02.025

Niche and metabolic principles explain patterns of diversity and distribution: theory and a case study with soil bacterial communities

Okie, J. G., Van Horn, D. J., Storch, D., Barrett, J. E., Gooseff, M. N., Kopsova, L., & Takacs-Vesbach, C. D. (2015). Proc. R. Soc. B, 282(1809), 20142630. doi:10.1098/rspb.2014.2630

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