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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July 2019A Recommendation Algorithm to Predict Giant Exoplanet Host Stars Using Stellar Elemental Abundances

Hinkel, N. R., Unterborn, C., Kane, S. R., Somers, G., & Galvez, R. (2019). A Recommendation Algorithm to Predict Giant Exoplanet Host Stars Using Stellar Elemental Abundances. The Astrophysical Journal, 880(1), 49. doi:10.3847/1538-4357/ab27c0

Stable Isotope Constraints on Marine Productivity Across the Cretaceous‐Paleogene Mass Extinction

Sepúlveda, J., Alegret, L., Thomas, E., Haddad, E., Cao, C., & Summons, R. E. (2019). Stable Isotope Constraints on Marine Productivity Across the Cretaceous‐Paleogene Mass Extinction. Paleoceanography and Paleoclimatology, 34(7), 1195–1217. doi:10.1029/2018pa003442

Reconstructing the late-accretion history of the Moon

Zhu, M-H., Artemieva, N., Morbidelli, A., Yin, Q-Z., Becker, H., & Wünnemann, K. (2019). Reconstructing the late-accretion history of the Moon. Nature, 571(7764), 226–229. doi:10.1038/s41586-019-1359-0

June 2019Sedimentology and chemostratigraphy of the terminal Ediacaran Dengying Formation at the Gaojiashan section, South China

Cui, H., Xiao, S., Cai, Y., Peek, S., Plummer, R. E., & Kaufman, A. J. (2019). Sedimentology and chemostratigraphy of the terminal Ediacaran Dengying Formation at the Gaojiashan section, South China. Geological Magazine, None, 1–25. doi:10.1017/s0016756819000293

Organometallic compounds as carriers of extraterrestrial cyanide in primitive meteorites

Smith, K. E., House, C. H., Arevalo, R. D., Dworkin, J. P., & Callahan, M. P. (2019). Organometallic compounds as carriers of extraterrestrial cyanide in primitive meteorites. Nature Communications, 10(1), None. doi:10.1038/s41467-019-10866-x

An evolutionary system of mineralogy: Proposal for a classification of planetary materials based on natural kind clustering

Hazen, R. M. (2019). An evolutionary system of mineralogy: Proposal for a classification of planetary materials based on natural kind clustering. American Mineralogist, 104(6), 810–816. doi:10.2138/am-2019-6709ccbyncnd

Data-Driven Discovery in Mineralogy: Recent Advances in Data Resources, Analysis, and Visualization

Hazen, R. M., Downs, R. T., Eleish, A., Fox, P., Gagné, O. C., Golden, J. J., … Zhong, H. (2019). Data-Driven Discovery in Mineralogy: Recent Advances in Data Resources, Analysis, and Visualization. Engineering, 5(3), 397–405. doi:10.1016/j.eng.2019.03.006

Archaea dominate oxic subseafloor communities over multimillion-year time scales

Vuillemin, A., Wankel, S. D., Coskun, Ö. K., Magritsch, T., Vargas, S., Estes, E. R., … Orsi, W. D. (2019). Archaea dominate oxic subseafloor communities over multimillion-year time scales. Science Advances, 5(6), eaaw4108. doi:10.1126/sciadv.aaw4108

The O–O Bonding and Hydrogen Storage in the Pyrite-type PtO2

Chen, H., Zhou, S., Morgan, D., Prakapenka, V., Greenberg, E., Leinenweber, K., & Shim, S-H. (2019). The O–O Bonding and Hydrogen Storage in the Pyrite-type PtO2. Inorganic Chemistry. doi:10.1021/acs.inorgchem.9b00046

Slime travelers: Early evidence of animal mobility and feeding in an organic mat world

Evans, S. D., Gehling, J. G., & Droser, M. L. (2019). Slime travelers: Early evidence of animal mobility and feeding in an organic mat world. Geobiology. doi:10.1111/gbi.12351

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