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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October 2017Atmospheric Pressure Drift Tube Ion Mobility–Orbitrap Mass Spectrometry: Initial Performance Characterization

Keelor, J. D., Zambrzycki, S., Li, A., Clowers, B. H., & Fernández, F. M. (2017). Atmospheric Pressure Drift Tube Ion Mobility–Orbitrap Mass Spectrometry: Initial Performance Characterization. Analytical Chemistry, 89(21), 11301–11309. doi:10.1021/acs.analchem.7b01866

Origins of Life: Open Questions and Debates

Brack, A. (2017). Origins of Life: Open Questions and Debates. Oxford Research Encyclopedia of Planetary Science. doi:10.1093/acrefore/9780190647926.013.6

Photochemistry of Coronene in Cosmic Water Ice Analogs at Different Concentrations

De Barros, A. L. F., Mattioda, A. L., Ricca, A., Cruz-Diaz, G. A., & Allamandola, L. J. (2017). Photochemistry of Coronene in Cosmic Water Ice Analogs at Different Concentrations. The Astrophysical Journal, 848(2), 112. doi:10.3847/1538-4357/aa8c71

High-resolution astrochronological record for the Paleocene-Oligocene (66–23 Ma) from the rapidly subsiding Bohai Bay Basin, northeastern China

Liu, Z., Huang, C., Algeo, T. J., Liu, H., Hao, Y., Du, X., … Peng, L. (2017). High-resolution astrochronological record for the Paleocene-Oligocene (66–23 Ma) from the rapidly subsiding Bohai Bay Basin, northeastern China. Palaeogeography, Palaeoclimatology, Palaeoecology. doi:10.1016/j.palaeo.2017.10.030

Nascent life cycles and the emergence of higher-level individuality

Ratcliff, W. C., Herron, M., Conlin, P. L., & Libby, E. (2017). Nascent life cycles and the emergence of higher-level individuality. Philosophical Transactions of the Royal Society B: Biological Sciences, 372(1735), 20160420. doi:10.1098/rstb.2016.0420

Finding the Needles in the Haystacks: High-fidelity Models of the Modern and Archean Solar System for Simulating Exoplanet Observations

Roberge, A., Rizzo, M. J., Lincowski, A. P., Arney, G. N., Stark, C. C., Robinson, T. D., … Turnbull, M. C. (2017). Finding the Needles in the Haystacks: High-fidelity Models of the Modern and Archean Solar System for Simulating Exoplanet Observations. Publications of the Astronomical Society of the Pacific, 129(982), 124401. doi:10.1088/1538-3873/aa8fc4

Draft Genome Sequence of Chloracidobacterium sp. CP2_5A, a Phototrophic Member of the Phylum Acidobacteria Recovered from a Japanese Hot Spring

Ward, L. M., McGlynn, S. E., & Fischer, W. W. (2017). Draft Genome Sequence of Chloracidobacterium sp. CP2_5A, a Phototrophic Member of the Phylum Acidobacteria Recovered from a Japanese Hot Spring . Genome Announcements, 5(40), e00821–17. doi:10.1128/genomea.00821-17

Draft Genome Sequences of a Novel Lineage of Armatimonadetes Recovered from Japanese Hot Springs

Ward, L. M., McGlynn, S. E., & Fischer, W. W. (2017). Draft Genome Sequences of a Novel Lineage of Armatimonadetes Recovered from Japanese Hot Springs . Genome Announcements, 5(40), e00820–17. doi:10.1128/genomea.00820-17

Sequence-Dependent Interfacial Adsorption and Permeation of Dipeptides across Phospholipid Membranes

Wei, C., & Pohorille, A. (2017). Sequence-Dependent Interfacial Adsorption and Permeation of Dipeptides across Phospholipid Membranes. The Journal of Physical Chemistry B, 121(42), 9859–9867. doi:10.1021/acs.jpcb.7b08238

New biostratigraphic and chemostratigraphic data from the Ediacaran Doushantuo Formation in intra-shelf and upper slope facies of the Yangtze platform: Implications for biozonation of acanthomorphic acritarchs in South China

Hawkins, A. D., Xiao, S., Jiang, G., Wang, X., & Shi, X. (2017). New biostratigraphic and chemostratigraphic data from the Ediacaran Doushantuo Formation in intra-shelf and upper slope facies of the Yangtze platform: Implications for biozonation of acanthomorphic acritarchs in South China. Precambrian Research, 300, 28–39. doi:10.1016/j.precamres.2017.08.004

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