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 2021Diaphite-structured nanodiamonds with six- and twelve-fold symmetries

Németh, P., McColl, K., Garvie, L. A. J., Salzmann, C. G., Pickard, C. J., Corà, F., … McMillan, P. F. (2021). Diaphite-structured nanodiamonds with six- and twelve-fold symmetries. Diamond and Related Materials, 119, 108573. doi:10.1016/j.diamond.2021.108573

An upper limit on late accretion and water delivery in the TRAPPIST-1 exoplanet system

Raymond, S. N., Izidoro, A., Bolmont, E., Dorn, C., Selsis, F., Turbet, M., … Grimm, S. L. (2021). An upper limit on late accretion and water delivery in the TRAPPIST-1 exoplanet system. Nature Astronomy, 6(1), 80–88. doi:10.1038/s41550-021-01518-6

Ray, S., Garvie, L. A. J., Rai, V. K., & Wadhwa, M. (2021). Correlated iron isotopes and silicon contents in aubrite metals reveal structure of their asteroidal parent body. Scientific Reports, 11(1), None. doi:10.1038/s41598-021-99160-9

October 2021Reconciling evidence of oxidative weathering and atmospheric anoxia on Archean Earth

Johnson, A. C., Ostrander, C. M., Romaniello, S. J., Reinhard, C. T., Greaney, A. T., Lyons, T. W., & Anbar, A. D. (2021). Reconciling evidence of oxidative weathering and atmospheric anoxia on Archean Earth. Science Advances, 7(40), None. doi:10.1126/sciadv.abj0108

Biophysical Characterization of Iron-Sulfur Proteins

Jagilinki, B., Paluy, I., Tyryshkin, A., Nanda, V., & Noy, D. (2021). Biophysical Characterization of Iron-Sulfur Proteins. BIO-PROTOCOL, 11(20), None. doi:10.21769/bioprotoc.4202

Phosphorus mineral evolution and prebiotic chemistry: From minerals to microbes

Walton, C. R., Shorttle, O., Jenner, F. E., Williams, H. M., Golden, J., Morrison, S. M., … Pasek, M. (2021). Phosphorus mineral evolution and prebiotic chemistry: From minerals to microbes. Earth-Science Reviews, 221, 103806. doi:10.1016/j.earscirev.2021.103806

Why Do M Dwarfs Have More Transiting Planets?

Mulders, G. D., Drążkowska, J., Van Der Marel, N., Ciesla, F. J., & Pascucci, I. (2021). Why Do M Dwarfs Have More Transiting Planets? The Astrophysical Journal Letters, 920(1), L1. doi:10.3847/2041-8213/ac2947

Complementary nucleosynthetic isotope anomalies of Mo and W in chondrules and matrix in the Allende carbonaceous chondrite: The case for hydrothermal metamorphism and its implications

Sanders, I. S., Scott, E. R. D., & Krot, A. (2021). Complementary nucleosynthetic isotope anomalies of Mo and W in chondrules and matrix in the Allende carbonaceous chondrite: The case for hydrothermal metamorphism and its implications. Meteoritics & Planetary Science. doi:10.1111/maps.13742

Isotope effect on the sublimation curves and binding energies of 12CO and 13CO interstellar ice analogs

Smith, L. R., Gudipati, M. S., Smith, R. L., & Lewis, R. D. (2021). Isotope effect on the sublimation curves and binding energies of 12CO and 13CO interstellar ice analogs. Astronomy & Astrophysics. doi:10.1051/0004-6361/202141529

Report Series: Committee on Planetary Protection

, ., , ., , ., , ., , ., & , . (2021). Report Series: Committee on Planetary Protection. None. doi:10.17226/26336

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