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 2017Finding 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

Microprofiling real time nitric oxide flux for field studies using a stratified nanohybrid carbon–metal electrode

Chaturvedi, P., Vanegas, D. C., Hauser, B. A., Foster, J. S., Sepúlveda, M. S., & McLamore, E. S. (2017). Microprofiling real time nitric oxide flux for field studies using a stratified nanohybrid carbon–metal electrode. Analytical Methods, 9(42), 6061–6072. doi:10.1039/c7ay01964e

September 2017A Low-Temperature Aqueous Thermodynamic Model for the Na–K–Ca–Mg–Cl–SO4 System Incorporating New Experimental Heat Capacities in Na2SO4, K2SO4, and MgSO4 Solutions

Toner, J. D., & Catling, D. C. (2017). A Low-Temperature Aqueous Thermodynamic Model for the Na–K–Ca–Mg–Cl–SO4 System Incorporating New Experimental Heat Capacities in Na2SO4, K2SO4, and MgSO4 Solutions. Journal of Chemical & Engineering Data, 62(10), 3151–3168. doi:10.1021/acs.jced.7b00265

The geochemistry of Don Juan Pond: Evidence for a deep groundwater flow system in Wright Valley, Antarctica

Toner, J. D., Catling, D. C., & Sletten, R. S. (2017). The geochemistry of Don Juan Pond: Evidence for a deep groundwater flow system in Wright Valley, Antarctica. Earth and Planetary Science Letters, 474, 190–197. doi:10.1016/j.epsl.2017.06.039

Thresholds of catastrophe in the Earth system

Rothman, D. H. (2017). Thresholds of catastrophe in the Earth system. Science Advances, 3(9), e1700906. doi:10.1126/sciadv.1700906

A warm or a cold early Earth? New insights from a 3-D climate-carbon model

Charnay, B., Le Hir, G., Fluteau, F., Forget, F., & Catling, D. C. (2017). A warm or a cold early Earth? New insights from a 3-D climate-carbon model. Earth and Planetary Science Letters, 474, 97–109. doi:10.1016/j.epsl.2017.06.029

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