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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January 2017Drivers of Bacterial Maintenance and Minimal Energy Requirements

Kempes, C. P., Van Bodegom, P. M., Wolpert, D., Libby, E., Amend, J., & Hoehler, T. (2017). Drivers of Bacterial Maintenance and Minimal Energy Requirements. Frontiers in Microbiology, 8, None. doi:10.3389/fmicb.2017.00031

EXTERNALLY HEATED PROTOSTELLAR CORES IN THE OPHIUCHUS STAR-FORMING REGION

Lindberg, J. E., Charnley, S. B., Jørgensen, J. K., Cordiner, M. A., & Bjerkeli, P. (2017). EXTERNALLY HEATED PROTOSTELLAR CORES IN THE OPHIUCHUS STAR-FORMING REGION. The Astrophysical Journal, 835(1), 3. doi:10.3847/1538-4357/835/1/3

Paleo-environmental cyclicity in the Early Silurian Yangtze Sea (South China): Tectonic or glacio-eustatic control?

Liu, Z., Algeo, T. J., Guo, X., Fan, J., Du, X., & Lu, Y. (2017). Paleo-environmental cyclicity in the Early Silurian Yangtze Sea (South China): Tectonic or glacio-eustatic control? Palaeogeography, Palaeoclimatology, Palaeoecology, 466, 59–76. doi:10.1016/j.palaeo.2016.11.007

Earth’s changing global atmospheric energy cycle in response to climate change

Pan, Y., Li, L., Jiang, X., Li, G., Zhang, W., Wang, X., & Ingersoll, A. P. (2017). Earth’s changing global atmospheric energy cycle in response to climate change. Nature Communications, 8, 14367. doi:10.1038/ncomms14367

Integrated carbon, sulfur, and nitrogen isotope chemostratigraphy of the Ediacaran Lantian Formation in South China: Spatial gradient, ocean redox oscillation, and fossil distribution

Wang, W., Guan, C., Zhou, C., Peng, Y., Pratt, L. M., Chen, X., … Xiao, S. (2017). Integrated carbon, sulfur, and nitrogen isotope chemostratigraphy of the Ediacaran Lantian Formation in South China: Spatial gradient, ocean redox oscillation, and fossil distribution. Geobiology, 15(4), 552–571. doi:10.1111/gbi.12226

The stratigraphic complexity of the middle Ediacaran carbon isotopic record in the Yangtze Gorges area, South China, and its implications for the age and chemostratigraphic significance of the Shuram excursion

Zhou, C., Xiao, S., Wang, W., Guan, C., Ouyang, Q., & Chen, Z. (2017). The stratigraphic complexity of the middle Ediacaran carbon isotopic record in the Yangtze Gorges area, South China, and its implications for the age and chemostratigraphic significance of the Shuram excursion. Precambrian Research, 288, 23–38. doi:10.1016/j.precamres.2016.11.007

December 2016Fitness and Individuality in Complex Life Cycles

Herron, M. D. (2016). Fitness and Individuality in Complex Life Cycles. Philosophy of Science, 83(5), 828–834. doi:10.1086/687867

Twenty Species of Hypobarophilic Bacteria Recovered from Diverse Soils Exhibit Growth under Simulated Martian Conditions at 0.7 kPa

Schuerger, A. C., & Nicholson, W. L. (2016). Twenty Species of Hypobarophilic Bacteria Recovered from Diverse Soils Exhibit Growth under Simulated Martian Conditions at 0.7 kPa. Astrobiology, 16(12), 964–976. doi:10.1089/ast.2016.1587

Our Odyssey to Find a Plausible Prebiotic Path to RNA: The First Twenty Years

Hud, N. (2016). Our Odyssey to Find a Plausible Prebiotic Path to RNA: The First Twenty Years. Synlett, 28(01), 36–55. doi:10.1055/s-0036-1588646

Evolution of the global phosphorus cycle

Reinhard, C. T., Planavsky, N. J., Gill, B. C., Ozaki, K., Robbins, L. J., Lyons, T. W., … Konhauser, K. O. (2016). Evolution of the global phosphorus cycle. Nature, 541(7637), 386–389. doi:10.1038/nature20772

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