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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April 2018Multiple episodes of extensive marine anoxia linked to global warming and continental weathering following the latest Permian mass extinction

Zhang, F., Romaniello, S. J., Algeo, T. J., Lau, K. V., Clapham, M. E., Richoz, S., … Anbar, A. D. (2018). Multiple episodes of extensive marine anoxia linked to global warming and continental weathering following the latest Permian mass extinction. Science Advances, 4(4), e1602921. doi:10.1126/sciadv.1602921

March 2018Impact of the Arizona NExSS Winter School on Astrobiology Knowledge and Attitudes

Burnam-Fink, M., Desch, S. J., Scalice, D., Davis, H., Huff, C. J., & Apai, D. (2018). Impact of the Arizona NExSS Winter School on Astrobiology Knowledge and Attitudes. Astrobiology, 18(3), 365–375. doi:10.1089/ast.2017.1710

Manganese Oxides Resembling Microbial Fabrics and Their Implications for Recognizing Inorganically Preserved Microfossils

Muscente, A. D., Czaja, A. D., Tuggle, J., Winkler, C., & Xiao, S. (2018). Manganese Oxides Resembling Microbial Fabrics and Their Implications for Recognizing Inorganically Preserved Microfossils. Astrobiology, 18(3), 249–258. doi:10.1089/ast.2017.1699

Physical Principles and Extant Biology Reveal Roles for RNA-Containing Membraneless Compartments in Origins of Life Chemistry

Poudyal, R. R., Pir Cakmak, F., Keating, C. D., & Bevilacqua, P. C. (2018). Physical Principles and Extant Biology Reveal Roles for RNA-Containing Membraneless Compartments in Origins of Life Chemistry. Biochemistry. doi:10.1021/acs.biochem.8b00081

What the ~1.4 Ga Xiamaling Formation can and cannot tell us about the mid-Proterozoic ocean

Diamond, C. W., Planavsky, N. J., Wang, C., & Lyons, T. W. (2018). What the ~1.4 Ga Xiamaling Formation can and cannot tell us about the mid-Proterozoic ocean. Geobiology, 16(3), 219–236. doi:10.1111/gbi.12282

Heterogeneous Pyrophosphate Linked DNA-Oligonucleotides: Aversion for DNA but Affinity for RNA

Anderson, B., & Krishnamurthy, R. (2018). Heterogeneous Pyrophosphate Linked DNA-Oligonucleotides: Aversion for DNA but Affinity for RNA. Chemistry - A European Journal. doi:10.1002/chem.201800538

Overcoming the Failure of Correlation for Out-of-Plane Motions in a Simple Aromatic: Rovibrational Quantum Chemical Analysis of c-C3H2

Fortenberry, R. C., Novak, C. M., Layfield, J. P., Matito, E., & Lee, T. J. (2018). Overcoming the Failure of Correlation for Out-of-Plane Motions in a Simple Aromatic: Rovibrational Quantum Chemical Analysis of c-C3H2. Journal of Chemical Theory and Computation, 14(4), 2155–2164. doi:10.1021/acs.jctc.8b00164

Genetic requirements for Staphylococcus aureus nitric oxide resistance and virulence

Grosser, M. R., Paluscio, E., Thurlow, L. R., Dillon, M. M., Cooper, V. S., Kawula, T. H., & Richardson, A. R. (2018). Genetic requirements for Staphylococcus aureus nitric oxide resistance and virulence. PLOS Pathogens, 14(3), e1006907. doi:10.1371/journal.ppat.1006907

High Spectral Resolution SOFIA/EXES Observations of C2H2 toward Orion IRc2

Rangwala, N., Colgan, S. W. J., Gal, R. L., Acharyya, K., Huang, X., Lee, T. J., … McKelvey, M. (2018). High Spectral Resolution SOFIA/EXES Observations of C2H2 toward Orion IRc2. The Astrophysical Journal, 856(1), 9. doi:10.3847/1538-4357/aaab66

Bacillus safensis FO-36b and Bacillus pumilus SAFR-032: A Whole Genome Comparison of Two Spacecraft Assembly Facility Isolates

Tirumalai, M., Stepanov, V. G., Wunsche, A., Montazari, S., Gonzalez, R. O., Venkateswaran, K., & Fox, G. E. (2018). Bacillus safensis FO-36b and Bacillus pumilus SAFR-032: A Whole Genome Comparison of Two Spacecraft Assembly Facility Isolates . None. doi:10.1101/283937

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