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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November 2020Orbital evolution of potentially habitable planets of tidally interacting binary stars

Graham, D., Fleming, D., & Barnes, R. (2020). Orbital evolution of potentially habitable planets of tidally interacting binary stars. Astronomy & Astrophysics. doi:10.1051/0004-6361/202038940

Europa Clipper Planetary Protection Probabilistic Risk Assessment Summary

McCoy, K. J., DiNicola, M., Everline, C., Burgoyne, H., Reinholtz, K., & Clement, B. (2020). Europa Clipper Planetary Protection Probabilistic Risk Assessment Summary. Planetary and Space Science, None, 105139. doi:10.1016/j.pss.2020.105139

Anoxic iron and sulphur cycling in the cGENIE.muffin Earth system model (v0.9.16)

Van De Velde, S. J., Hülse, D., Reinhard, C. T., & Ridgwell, A. (2020). Anoxic iron and sulphur cycling in the cGENIE.muffin Earth system model (v0.9.16). None. doi:10.5194/gmd-2020-312

In Situ Growth of Halophilic Bacteria in Saline Fracture Fluids from 2.4 km below Surface in the Deep Canadian Shield

Wilpiszeski, R. L., Sherwood Lollar, B., Warr, O., & House, C. H. (2020). In Situ Growth of Halophilic Bacteria in Saline Fracture Fluids from 2.4 km below Surface in the Deep Canadian Shield. Life, 10(12), 307. doi:10.3390/life10120307

A new hydrous iron oxide phase stable at mid-mantle pressures

Chen, H., Xie, S-Y., Ko, B., Kim, T., Nisr, C., Prakapenka, V., … Shim, S-H. (2020). A new hydrous iron oxide phase stable at mid-mantle pressures. Earth and Planetary Science Letters, 550, 116551. doi:10.1016/j.epsl.2020.116551

UV Irradiation and Near Infrared Characterization of Laboratory Mars Soil Analog Samples

Fornaro, T., Brucato, J. R., Poggiali, G., Corazzi, M. A., Biczysko, M., Jaber, M., … Steele, A. (2020). UV Irradiation and Near Infrared Characterization of Laboratory Mars Soil Analog Samples. Frontiers in Astronomy and Space Sciences, 7, None. doi:10.3389/fspas.2020.539289

In Vivo Biogenesis of a De Novo Designed Iron–Sulfur Protein

Jagilinki, B. P., Ilic, S., Trncik, C., Tyryshkin, A. M., Pike, D. H., Lubitz, W., … Nanda, V. (2020). <i>In Vivo</i> Biogenesis of a <i>De Novo</i> Designed Iron–Sulfur Protein. ACS Synthetic Biology, 9(12), 3400–3407. doi:10.1021/acssynbio.0c00514

Biophysical analysis of the structural evolution of substrate specificity in RuBisCO

Poudel, S., Pike, D. H., Raanan, H., Mancini, J. A., Nanda, V., Rickaby, R. E. M., & Falkowski, P. G. (2020). Biophysical analysis of the structural evolution of substrate specificity in RuBisCO. Proceedings of the National Academy of Sciences, 117(48), 30451–30457. doi:10.1073/pnas.2018939117

Global earth mineral inventory: A data legacy

Prabhu, A., Morrison, S. M., Eleish, A., Zhong, H., Huang, F., Golden, J. J., … Fox, P. (2020). Global earth mineral inventory: A data legacy. Geoscience Data Journal, 8(1), 74–89. doi:10.1002/gdj3.106

Constraints on surface temperature 3.4 billion years ago based on triple oxygen isotopes of cherts from the Barberton Greenstone Belt, South Africa, and the problem of sample selection

Lowe, D. R., Ibarra, D. E., Drabon, N., & Page Chamberlain, C. (2020). Constraints on surface temperature 3.4 billion years ago based on triple oxygen isotopes of cherts from the Barberton Greenstone Belt, South Africa, and the problem of sample selection. American Journal of Science, 320(9), 790–814. doi:10.2475/11.2020.02

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