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 2022Disruption of a Planetary Nitrogen Cycle as Evidence of Extraterrestrial Agriculture

Haqq-Misra, J., Fauchez, T. J., Schwieterman, E. W., & Kopparapu, R. (2022). Disruption of a Planetary Nitrogen Cycle as Evidence of Extraterrestrial Agriculture. The Astrophysical Journal Letters, 929(2), L28. doi:10.3847/2041-8213/ac65ff

Atmospheric dynamics of a near tidally locked Earth-sized planet

Kane, S. R. (2022). Atmospheric dynamics of a near tidally locked Earth-sized planet. Nature Astronomy, 6(4), 420–427. doi:10.1038/s41550-022-01626-x

Evidence for a significant Kuiper belt dust contribution to the zodiacal cloud

Keller, L. P., & Flynn, G. J. (2022). Evidence for a significant Kuiper belt dust contribution to the zodiacal cloud. Nature Astronomy. doi:10.1038/s41550-022-01647-6

Discovery of Chlorophyll d: Isolation and Characterization of a Far-Red Cyanobacterium from the Original Site of Manning and Strain (1943) at Moss Beach, California

Kiang, N. Y., Swingley, W. D., Gautam, D., Broddrick, J. T., Repeta, D. J., Stolz, J. F., … Parenteau, M. N. (2022). Discovery of Chlorophyll d: Isolation and Characterization of a Far-Red Cyanobacterium from the Original Site of Manning and Strain (1943) at Moss Beach, California. Microorganisms, 10(4), 819. doi:10.3390/microorganisms10040819

Preservation of early Tonian macroalgal fossils from the Dolores Creek Formation, Yukon

Maloney, K. M., Schiffbauer, J. D., Halverson, G. P., Xiao, S., & Laflamme, M. (2022). Preservation of early Tonian macroalgal fossils from the Dolores Creek Formation, Yukon. Scientific Reports, 12(1), None. doi:10.1038/s41598-022-10223-x

Climate and energy balance of the ground in University Valley, Antarctica

Marinova, M. M., McKay, C. P., Heldmann, J. L., Goordial, J., Lacelle, D., Pollard, W. H., & Davila, A. F. (2022). Climate and energy balance of the ground in University Valley, Antarctica. Antarctic Science, None, 1–28. doi:10.1017/s0954102022000025

Synthesis and hydrolytic stability of cyclic phosphatidic acids: implications for synthetic- and proto-cell studies

Ortuno, V. E., Pulletikurti, S., Veena, K. S., & Krishnamurthy, R. (2022). Synthesis and hydrolytic stability of cyclic phosphatidic acids: implications for synthetic- and proto-cell studies. Chemical Communications. doi:10.1039/d2cc00292b

Measuring the shock stage of Itokawa and asteroid regolith grains by electron backscattered diffraction, optical petrography, and synchrotron X‐ray diffraction

Zolensky, M., Martinez, J., Sitzman, S., Mikouchi, T., Hagiya, K., Ohsumi, K., … Yamaguchi, S. (2022). Measuring the shock stage of Itokawa and asteroid regolith grains by electron backscattered diffraction, optical petrography, and synchrotron X‐ray diffraction. Meteoritics & Planetary Science, 57(5), 1060–1078. doi:10.1111/maps.13808

Uranium isotope evidence for extensive shallow water anoxia in the early Tonian oceans

Zhang, F., Stockey, R. G., Xiao, S., Shen, S-Z., Dahl, T. W., Wei, G-Y., … Planavsky, N. J. (2022). Uranium isotope evidence for extensive shallow water anoxia in the early Tonian oceans. Earth and Planetary Science Letters, 583, 117437. doi:10.1016/j.epsl.2022.117437

Metagenomes and Metagenome-Assembled Genomes from Substrate-Amended Hot Spring Sediment Incubations from Yellowstone National Park

Reichart, N. J., Bowers, R. M., Woyke, T., & Hatzenpichler, R. (2022). Metagenomes and Metagenome-Assembled Genomes from Substrate-Amended Hot Spring Sediment Incubations from Yellowstone National Park. Microbiology Resource Announcements, 11(4), None. doi:10.1128/mra.01065-21

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