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 2018On Forecasting Dust Storms on Mars

Montabone, L., Forget, F. (2018) On Forecasting Dust Storms on Mars. Proceedings of the 48th International Conference on Environmental Systems, 2018:281. http://hdl.handle.net/2346/74226

Planetary Protection Knowledge Gaps for Future Mars Human Missions: Stepwise Progress in Identiying and Integrating Science and Technology Needs

Spry, J.A., Race, M.S., Kminek, G., Siegel, B., Conley, C. (2018) Planetary Protection Knowledge Gaps for Future Mars Human Missions: Stepwise Progress in Identifying and Integrating Science and Technology Needs, Proceedings of the 48th International Conference on Environmental Systems, 2018:315. http://hdl.handle.net/2346/74252

June 2018Cryogenian iron formations in the glaciogenic Kingston Peak Formation, California

Lechte, M. A., Wallace, M. W., Hood, A. v. S., & Planavsky, N. (2018). Cryogenian iron formations in the glaciogenic Kingston Peak Formation, California. Precambrian Research, 310, 443–462. doi:10.1016/j.precamres.2018.04.003

The Tonian Beck Spring Dolomite: Marine dolomitization in a shallow, anoxic sea

Shuster, A. M., Wallace, M. W., Van Smeerdijk Hood, A., & Jiang, G. (2018). The Tonian Beck Spring Dolomite: Marine dolomitization in a shallow, anoxic sea. Sedimentary Geology, 368, 83–104. doi:10.1016/j.sedgeo.2018.03.003

Were chondrites magnetized by the early solar wind?

Oran, R., Weiss, B. P., & Cohen, O. (2018). Were chondrites magnetized by the early solar wind? Earth and Planetary Science Letters, 492, 222–231. doi:10.1016/j.epsl.2018.02.013

Survival of microbes in Earth's stratosphere

DasSarma, P., & DasSarma, S. (2018). Survival of microbes in Earth's stratosphere. Current Opinion in Microbiology, 43, 24–30. doi:10.1016/j.mib.2017.11.002

Dune Casts Preserved by Partial Burial: The First Identification of Ghost Dune Pits on Mars

Day, M. D., & Catling, D. C. (2018). Dune Casts Preserved by Partial Burial: The First Identification of Ghost Dune Pits on Mars. Journal of Geophysical Research: Planets, 123(6), 1431–1448. doi:10.1029/2018je005613

Exoplanet Biosignatures: At the Dawn of a New Era of Planetary Observations

Kiang, N. Y., Domagal-Goldman, S., Parenteau, M. N., Catling, D. C., Fujii, Y., Meadows, V. S., … Walker, S. I. (2018). Exoplanet Biosignatures: At the Dawn of a New Era of Planetary Observations. Astrobiology, 18(6), 619–629. doi:10.1089/ast.2018.1862

Exploring exomoon atmospheres with an idealized general circulation model

Haqq-Misra, J., & Heller, R. (2018). Exploring exomoon atmospheres with an idealized general circulation model. Monthly Notices of the Royal Astronomical Society, 479(3), 3477–3489. doi:10.1093/mnras/sty1630

The Ladder of Life Detection

Neveu, M., Hays, L. E., Voytek, M. A., New, M. H., & Schulte, M. D. (2018). The Ladder of Life Detection. Astrobiology. doi:10.1089/ast.2017.1773

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