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 2017MICROBIAL MAT SANDWICHES AND OTHER ANACTUALISTIC SEDIMENTARY FEATURES OF THE EDIACARA MEMBER (RAWNSLEY QUARTZITE, SOUTH AUSTRALIA): IMPLICATIONS FOR INTERPRETATION OF THE EDIACARAN SEDIMENTARY RECORD

Tarhan, L. G., Droser, M. L., Gehling, J. G., & Dzaugis, M. P. (2017). MICROBIAL MAT SANDWICHES AND OTHER ANACTUALISTIC SEDIMENTARY FEATURES OF THE EDIACARA MEMBER (RAWNSLEY QUARTZITE, SOUTH AUSTRALIA): IMPLICATIONS FOR INTERPRETATION OF THE EDIACARAN SEDIMENTARY RECORD. PALAIOS, 32(3), 181–194. doi:10.2110/palo.2016.060

Thermal and chemical evolution in the early solar system as recorded by FUN CAIs: Part I – Petrology, mineral chemistry, and isotopic composition of Allende FUN CAI CMS-1

Williams, C. D., Ushikubo, T., Bullock, E. S., Janney, P. E., Hines, R. R., Kita, N. T., … Wadhwa, M. (2017). Thermal and chemical evolution in the early solar system as recorded by FUN CAIs: Part I – Petrology, mineral chemistry, and isotopic composition of Allende FUN CAI CMS-1. Geochimica et Cosmochimica Acta, 201, 25–48. doi:10.1016/j.gca.2016.10.053

February 2017Shocked monazite chronometry: integrating microstructural and in situ isotopic age data for determining precise impact ages

Erickson, T. M., Timms, N. E., Kirkland, C. L., Tohver, E., Cavosie, A. J., Pearce, M. A., & Reddy, S. M. (2017). Shocked monazite chronometry: integrating microstructural and in situ isotopic age data for determining precise impact ages. Contributions to Mineralogy and Petrology, 172(2-3), None. doi:10.1007/s00410-017-1328-2

Central sites

Früh-Green, G. L., Orcutt, B. N., Green, S. L., Cotterill, C., Morgan, S., Akizawa, N., … Zhao, R. (2017). Central sites. Proceedings of the International Ocean Discovery Program. doi:10.14379/iodp.proc.357.104.2017

Eastern sites

Früh-Green, G. L., Orcutt, B. N., Green, S. L., Cotterill, C., Morgan, S., Akizawa, N., … Zhao, R. (2017). Eastern sites. Proceedings of the International Ocean Discovery Program. doi:10.14379/iodp.proc.357.103.2017

Expedition 357 methods

Früh-Green, G. L., Orcutt, B. N., Green, S. L., Cotterill, C., Morgan, S., Akizawa, N., … Zhao, R. (2017). Expedition 357 methods. Proceedings of the International Ocean Discovery Program. doi:10.14379/iodp.proc.357.102.2017

Expedition 357 summary

Früh-Green, G. L., Orcutt, B. N., Green, S. L., Cotterill, C., Morgan, S., Akizawa, N., … Zhao, R. (2017). Expedition 357 summary. Proceedings of the International Ocean Discovery Program. doi:10.14379/iodp.proc.357.101.2017

Northern sites

Früh-Green, G. L., Orcutt, B. N., Green, S. L., Cotterill, C., Morgan, S., Akizawa, N., … Zhao, R. (2017). Northern sites. Proceedings of the International Ocean Discovery Program. doi:10.14379/iodp.proc.357.106.2017

Western sites

Früh-Green, G. L., Orcutt, B. N., Green, S. L., Cotterill, C., Morgan, S., Akizawa, N., … Zhao, R. (2017). Western sites. Proceedings of the International Ocean Discovery Program. doi:10.14379/iodp.proc.357.105.2017

Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1

Gillon, M., Triaud, A. H. M. J., Demory, B-O., Jehin, E., Agol, E., Deck, K. M., … Queloz, D. (2017). Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1. Nature, 542(7642), 456–460. doi:10.1038/nature21360

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