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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December 2015Bacterial responses to environmental change on the Tibetan Plateau over the past half century

Liu, Y., Priscu, J. C., Yao, T., Vick-Majors, T. J., Xu, B., Jiao, N., … Yang, Y. (2015). Bacterial responses to environmental change on the Tibetan Plateau over the past half century. Environmental Microbiology, 18(6), 1930–1941. doi:10.1111/1462-2920.13115

LOW TEMPERATURE FORMATION OF NITROGEN-SUBSTITUTED POLYCYCLIC AROMATIC HYDROCARBONS (PANHs)—BARRIERLESS ROUTES TO DIHYDRO(iso)QUINOLINES

Parker, D. S. N., Yang, T., Dangi, B. B., Kaiser, R. I., Bera, P. P., & Lee, T. J. (2015). The Astrophysical Journal, 815(2), 115. doi:10.1088/0004-637x/815/2/115

High-resolution SIMS oxygen isotope analysis on conodont apatite from South China and implications for the end-Permian mass extinction

Chen, J., Shen, S-Z., Li, X-H., Xu, Y-G., Joachimski, M. M., Bowring, S. A., … Erwin, D. H. (2015). Palaeogeography, Palaeoclimatology, Palaeoecology. doi:10.1016/j.palaeo.2015.11.025

Rarity in mass extinctions and the future of ecosystems

Hull, P. M., Darroch, S. A. F., & Erwin, D. H. (2015). Nature, 528(7582), 345–351. doi:10.1038/nature16160

A Strategy for Origins of Life Research

Scharf, C., Virgo, N., Cleaves, H. J., Aono, M., Aubert-Kato, N., Aydinoglu, A., … Barahona, A. (2015). Astrobiology, 15(12), 1031–1042. doi:10.1089/ast.2015.1113

Glycine Cleavage Powers Photoheterotrophic Growth of Chloroflexus aurantiacus in the Absence of H2

He, L., Wang, Y., You, L., Khin, Y., Tang, J-H., & Tang, Y. J. (2015). Frontiers in Microbiology, 6(None), None. doi:10.3389/fmicb.2015.01467

A PROPOSAL FOR CLIMATE STABILITY ON H 2 -GREENHOUSE PLANETS

Abbot, D. S. (2015). The Astrophysical Journal, 815(1), L3. doi:10.1088/2041-8205/815/1/l3

Multiple oscillations in Neoarchaean atmospheric chemistry

Izon, G., Zerkle, A. L., Zhelezinskaia, I., Farquhar, J., Newton, R. J., Poulton, S. W., … Eigenbrode, J. L. (2015). Earth and Planetary Science Letters, 431(None), 264–273. doi:10.1016/j.epsl.2015.09.018

Dynamic changes in sulfate sulfur isotopes preceding the Ediacaran Shuram Excursion

Osburn, M. R., Owens, J., Bergmann, K. D., Lyons, T. W., & Grotzinger, J. P. (2015). Geochimica et Cosmochimica Acta, 170(None), 204–224. doi:10.1016/j.gca.2015.07.039

A PROPOSAL FOR CLIMATE STABILITY ON H2-GREENHOUSE PLANETS

Abbot, D. S. (2015). The Astrophysical Journal, 815(1), L3. doi:10.1088/2041-8205/815/1/l3

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