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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March 2018Exoplanet Classification and Yield Estimates for Direct Imaging Missions

Kopparapu, R. K., Hébrard, E., Belikov, R., Batalha, N. M., Mulders, G. D., Stark, C., … Mandell, A. (2018). Exoplanet Classification and Yield Estimates for Direct Imaging Missions. The Astrophysical Journal, 856(2), 122. doi:10.3847/1538-4357/aab205

The potential for metal contamination during Apollo lunar sample curation

Day, J. M. D., Maria-Benavides, J., McCubbin, F. M., & Zeigler, R. A. (2018). The potential for metal contamination during Apollo lunar sample curation. Meteoritics & Planetary Science. doi:10.1111/maps.13074

Earth Without Life: A Systems Model of a Global Abiotic Nitrogen Cycle

Laneuville, M., Kameya, M., & James Cleaves, H. (2018). Earth Without Life: A Systems Model of a Global Abiotic Nitrogen Cycle. Astrobiology. doi:10.1089/ast.2017.1700

Inward migration of the TRAPPIST-1 planets as inferred from their water-rich compositions

Unterborn, C. T., Desch, S. J., Hinkel, N. R., & Lorenzo, A. (2018). Inward migration of the TRAPPIST-1 planets as inferred from their water-rich compositions. Nature Astronomy, 2(4), 297–302. doi:10.1038/s41550-018-0411-6

February 2018Astrovirology: Viruses at Large in the Universe

Berliner, A. J., Mochizuki, T., & Stedman, K. M. (2018). Astrovirology: Viruses at Large in the Universe. Astrobiology, 18(2), 207–223. doi:10.1089/ast.2017.1649

Genome Sequence of Hydrogenovibrio sp. Strain SC-1, a Chemolithoautotrophic Sulfur and Iron Oxidizer

Neely, C., Bou Khalil, C., Cervantes, A., Diaz, R., Escobar, A., Ho, K., … Amend, J. (2018). Genome Sequence of Hydrogenovibrio sp. Strain SC-1, a Chemolithoautotrophic Sulfur and Iron Oxidizer. Genome Announcements, 6(5), e01581–17. doi:10.1128/genomea.01581-17

Nitrogen-Fixing Heterocystous Cyanobacteria in the Tonian Period

Pang, K., Tang, Q., Chen, L., Wan, B., Niu, C., Yuan, X., & Xiao, S. (2018). Nitrogen-Fixing Heterocystous Cyanobacteria in the Tonian Period. Current Biology, 28(4), 616–622.e1. doi:10.1016/j.cub.2018.01.008

WISE J080822.18−644357.3 – a 45 Myr-old accreting M dwarf hosting a primordial disc

Murphy, S. J., Mamajek, E. E., & Bell, C. P. M. (2018). WISE J080822.18−644357.3 – a 45 Myr-old accreting M dwarf hosting a primordial disc. Monthly Notices of the Royal Astronomical Society. doi:10.1093/mnras/sty471

Isotopic Dichotomy among Meteorites and Its Bearing on the Protoplanetary Disk

Scott, E. R. D., Krot, A. N., & Sanders, I. S. (2018). Isotopic Dichotomy among Meteorites and Its Bearing on the Protoplanetary Disk. The Astrophysical Journal, 854(2), 164. doi:10.3847/1538-4357/aaa5a5

Aerosol Vacuum-Assisted Plasma Ionization (Aero-VaPI) Coupled to Ion Mobility-Mass Spectrometry

Blair, S. L., Ng, N. L., Zambrzycki, S. C., Li, A., & Fernández, F. M. (2018). Aerosol Vacuum-Assisted Plasma Ionization (Aero-VaPI) Coupled to Ion Mobility-Mass Spectrometry. Journal of The American Society for Mass Spectrometry. doi:10.1007/s13361-017-1872-z

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