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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September 2018Geological and Geochemical Constraints on the Origin and Evolution of Life

Sleep, N. H. (2018). Geological and Geochemical Constraints on the Origin and Evolution of Life. Astrobiology, 18(9), 1199–1219. doi:10.1089/ast.2017.1778

On the Natural Structure of Amino Acid Patterns in Families of Protein Sequences

Turjanski, P., & Ferreiro, D. U. (2018). On the Natural Structure of Amino Acid Patterns in Families of Protein Sequences. The Journal of Physical Chemistry B, 122(49), 11295–11301. doi:10.1021/acs.jpcb.8b07206

Less absorbed solar energy and more internal heat for Jupiter

Li, L., Jiang, X., West, R. A., Gierasch, P. J., Perez-Hoyos, S., Sanchez-Lavega, A., … Schmude, R. W. (2018). Less absorbed solar energy and more internal heat for Jupiter. Nature Communications, 9(1), None. doi:10.1038/s41467-018-06107-2

Marine sulfur cycle evidence for upwelling and eutrophic stresses during early triassic cooling events

Stebbins, A., Algeo, T. J., Krystyn, L., Rowe, H., Brookfield, M., Williams, J., … Hannigan, R. (2018). Marine sulfur cycle evidence for upwelling and eutrophic stresses during early triassic cooling events. Earth-Science Reviews. doi:10.1016/j.earscirev.2018.09.007

Data calibration for the MASCARA and bRing instruments.

Talens, G. J. J., Deul, E. R., Stuik, R., Burggraaff, O., Lesage, A-L., Spronck, J. F. P., … Snellen, I. A. G. (2018). Data calibration for the MASCARA and bRing instruments.. Astronomy & Astrophysics. doi:10.1051/0004-6361/201834070

A Framework for Prioritizing the TESS Planetary Candidates Most Amenable to Atmospheric Characterization

Kempton, E-R., Bean, J. L., Louie, D. R., Deming, D., Koll, D. D. B., Mansfield, M., … Essen, C. v. (2018). A Framework for Prioritizing the TESS Planetary Candidates Most Amenable to Atmospheric Characterization. Publications of the Astronomical Society of the Pacific, 130(993), 114401. doi:10.1088/1538-3873/aadf6f

The Vegetation Red Edge Biosignature Through Time on Earth and Exoplanets

O'Malley-James, J. T., & Kaltenegger, L. (2018). The Vegetation Red Edge Biosignature Through Time on Earth and Exoplanets. Astrobiology, 18(9), 1123–1136. doi:10.1089/ast.2017.1798

The Effect of Jupiter's Formation on the Distribution of Refractory Elements and Inclusions in Meteorites

Desch, S. J., Kalyaan, A., & Alexander, C. M. O. D. (2018). The Effect of Jupiter's Formation on the Distribution of Refractory Elements and Inclusions in Meteorites. The Astrophysical Journal Supplement Series, 238(1), 11. doi:10.3847/1538-4365/aad95f

Retrieval analysis of 38 WFC3 transmission spectra and resolution of the normalization degeneracy

Fisher, C., & Heng, K. (2018). Retrieval analysis of 38 WFC3 transmission spectra and resolution of the normalization degeneracy. Monthly Notices of the Royal Astronomical Society, 481(4), 4698–4727. doi:10.1093/mnras/sty2550

Habitability in the Omega Centauri Cluster

Kane, S. R., & Deveny, S. J. (2018). Habitability in the Omega Centauri Cluster. The Astrophysical Journal, 864(2), 115. doi:10.3847/1538-4357/aad802

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