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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June 2020Viability of Bacillus subtilis Spores Exposed to Ultraviolet Light at Ocean World Surface Temperatures

Fayolle, E. C., Noell, A. C., Johnson, P. V., Hodyss, R., & Ponce, A. (2020). Viability of Bacillus subtilis Spores Exposed to Ultraviolet Light at Ocean World Surface Temperatures. Astrobiology. doi:10.1089/ast.2019.2214

ACRONYM IV: Three New, Young, Low-mass Spectroscopic Binaries

Flagg, L., Shkolnik, E. L., Weinberger, A., Bowler, B. P., Skiff, B., Kraus, A. L., & Liu, M. C. (2020). ACRONYM IV: Three New, Young, Low-mass Spectroscopic Binaries. The Astrophysical Journal, 896(2), 153. doi:10.3847/1538-4357/ab9083

Planetary Protection Implementation on the Interior Exploration Using Seismic Investigations, Geodesy and Heat Transport Mission

Hendrickson, R., Kazarians, G., & Benardini, J. N. (2020). Planetary Protection Implementation on the Interior Exploration Using Seismic Investigations, Geodesy and Heat Transport Mission. Astrobiology. doi:10.1089/ast.2019.2098

Biogeochemical Controls on the Redox Evolution of Earth’s Oceans and Atmosphere

Reinhard, C. T., & Planavsky, N. J. (2020). Biogeochemical Controls on the Redox Evolution of Earth’s Oceans and Atmosphere. Elements, 16(3), 191–196. doi:10.2138/gselements.16.3.191

Phylum‐level diversity of the microbiome of the extremophilic basidiomycete fungus Pisolithus arhizus (Scop.) Rauschert: An island of biodiversity in a thermal soil desert

Cullings, K., Stott, M. B., Marinkovich, N., DeSimone, J., & Bhardwaj, S. (2020). Phylum‐level diversity of the microbiome of the extremophilic basidiomycete fungus Pisolithus arhizus (Scop.) Rauschert: An island of biodiversity in a thermal soil desert. MicrobiologyOpen. doi:10.1002/mbo3.1062

May 202016S rRNA Gene Diversity in the Salt Crust of Salar de Uyuni, Bolivia, the World’s Largest Salt Flat

Pecher, W. T., Martínez, F. L., DasSarma, P., Guzmán, D., & DasSarma, S. (2020). 16S rRNA Gene Diversity in the Salt Crust of Salar de Uyuni, Bolivia, the World’s Largest Salt Flat. Microbiology Resource Announcements, 9(21), None. doi:10.1128/mra.00374-20

An evolutionary system of mineralogy. Part I: Stellar mineralogy (&gt;13 to 4.6 Ga)

Hazen, R. M., & Morrison, S. M. (2020). An evolutionary system of mineralogy. Part I: Stellar mineralogy (&gt;13 to 4.6 Ga). American Mineralogist, 105(5), 627–651. doi:10.2138/am-2020-7173

Root of the Tree: The Significance, Evolution, and Origins of the Ribosome

Bowman, J. C., Petrov, A. S., Frenkel-Pinter, M., Penev, P. I., & Williams, L. D. (2020). Root of the Tree: The Significance, Evolution, and Origins of the Ribosome. Chemical Reviews, 120(11), 4848–4878. doi:10.1021/acs.chemrev.9b00742

Mineralogy and density of Archean volcanic crust in the mantle transition zone

Ko, B., Prakapenka, V., Kunz, M., Prescher, C., Leinenweber, K., & Shim, S-H. (2020). Mineralogy and density of Archean volcanic crust in the mantle transition zone. Physics of the Earth and Planetary Interiors, None, 106490. doi:10.1016/j.pepi.2020.106490

The Prebiotic Provenance of Semi-Aqueous Solvents

Lago, J. L., Burcar, B. T., Hud, N. V., Febrian, R., Mehta, C., Bracher, P. J., … Pasek, M. A. (2020). The Prebiotic Provenance of Semi-Aqueous Solvents. Origins of Life and Evolution of Biospheres. doi:10.1007/s11084-020-09595-9

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