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 2020A 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

Laboratory predictions for the night-side surface ice glow of Europa

Gudipati, M. S., Henderson, B. L., & Bateman, F. B. (2020). Laboratory predictions for the night-side surface ice glow of Europa. Nature Astronomy. doi:10.1038/s41550-020-01248-1

An assessment of iron isotope fractionation during core formation

Shahar, A., & Young, E. D. (2020). An assessment of iron isotope fractionation during core formation. Chemical Geology, 554, 119800. doi:10.1016/j.chemgeo.2020.119800

Brine Migration and Impact‐Induced Cryovolcanism on Europa

Steinbrügge, G., Voigt, J. R. C., Wolfenbarger, N. S., Hamilton, C. W., Soderlund, K. M., Young, D. A., … Schroeder, D. M. (2020). Brine Migration and Impact‐Induced Cryovolcanism on Europa. Geophysical Research Letters, 47(21), None. doi:10.1029/2020gl090797

A Fast, Two-dimensional Gaussian Process Method Based on Celerite: Applications to Transiting Exoplanet Discovery and Characterization

Gordon, T. A., Agol, E., & Foreman-Mackey, D. (2020). A Fast, Two-dimensional Gaussian Process Method Based on Celerite: Applications to Transiting Exoplanet Discovery and Characterization. The Astronomical Journal, 160(5), 240. doi:10.3847/1538-3881/abbc16

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