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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April 2021Composition of terrestrial exoplanet atmospheres from meteorite outgassing experiments

Thompson, M. A., Telus, M., Schaefer, L., Fortney, J. J., Joshi, T., & Lederman, D. (2021). Composition of terrestrial exoplanet atmospheres from meteorite outgassing experiments. Nature Astronomy. doi:10.1038/s41550-021-01338-8

Multiple carbon incorporation strategies support microbial survival in cold subseafloor crustal fluids

Trembath-Reichert, E., Shah Walter, S. R., Ortiz, M. A. F., Carter, P. D., Girguis, P. R., & Huber, J. A. (2021). Multiple carbon incorporation strategies support microbial survival in cold subseafloor crustal fluids. Science Advances, 7(18), eabg0153. doi:10.1126/sciadv.abg0153

Building the Galilean moons system via pebble accretion and migration: a primordial resonant chain

Madeira, G., Izidoro, A., & Winter, S. M. G. (2021). Building the Galilean moons system via pebble accretion and migration: a primordial resonant chain. Monthly Notices of the Royal Astronomical Society, 504(2), 1854–1872. doi:10.1093/mnras/stab986

March 2021A missing link in mid‐late Permian record of north‐eastern Pangea: a sedimentological evaluation of the Permian Belfast Harbour Evaporite Formation of County Antrim, Northern Ireland

Andeskie, A. S., & Benison, K. C. (2021). A missing link in mid‐late Permian record of north‐eastern Pangea: a sedimentological evaluation of the Permian Belfast Harbour Evaporite Formation of County Antrim, Northern Ireland. The Depositional Record. doi:10.1002/dep2.144

Carbon cycle inverse modeling suggests large changes in fractional organic burial are consistent with the carbon isotope record and may have contributed to the rise of oxygen

Krissansen‐Totton, J., Kipp, M. A., & Catling, D. C. (2021). Carbon cycle inverse modeling suggests large changes in fractional organic burial are consistent with the carbon isotope record and may have contributed to the rise of oxygen. Geobiology. doi:10.1111/gbi.12440

New multicellular marine macroalgae from the early Tonian of northwestern Canada

Maloney, K. M., Halverson, G. P., Schiffbauer, J. D., Xiao, S., Gibson, T. M., Lechte, M. A., … Laflamme, M. (2021). New multicellular marine macroalgae from the early Tonian of northwestern Canada. Geology. doi:10.1130/g48508.1

Isotopic evidence for the formation of the Moon in a canonical giant impact

Nielsen, S. G., Bekaert, D. V., & Auro, M. (2021). Isotopic evidence for the formation of the Moon in a canonical giant impact. Nature Communications, 12(1), None. doi:10.1038/s41467-021-22155-7

1I/‘Oumuamua as an N 2 ice fragment of an exo‐pluto surface II: Generation of N 2 ice fragments and the origin of ‘Oumuamua

Desch, S. J., & P Jackson, A. (2021). 1I/‘Oumuamua as an N 2 ice fragment of an exo‐pluto surface II: Generation of N 2 ice fragments and the origin of ‘Oumuamua. Journal of Geophysical Research: Planets. doi:10.1029/2020je006807

Frustration in Fuzzy Protein Complexes Leads to Interaction Versatility

Freiberger, M. I., Wolynes, P. G., Ferreiro, D. U., & Fuxreiter, M. (2021). Frustration in Fuzzy Protein Complexes Leads to Interaction Versatility. The Journal of Physical Chemistry B, 125(10), 2513–2520. doi:10.1021/acs.jpcb.0c11068

An evolutionary system of mineralogy. Part III: Primary chondrule mineralogy (4566 to 4561 Ma)

Hazen, R. M., Morrison, S. M., & Prabhu, A. (2021). An evolutionary system of mineralogy. Part III: Primary chondrule mineralogy (4566 to 4561 Ma). American Mineralogist, 106(3), 325–350. doi:10.2138/am-2020-7564

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