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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February 2021Optical constants and diffuse reflectance of opaque minerals: A modeling study using magnetite

Roush, T. L., Teodoro, L. F. A., Blewett, D. T., & Cahill, J. T. S. (2021). Optical constants and diffuse reflectance of opaque minerals: A modeling study using magnetite. Icarus, None, 114331. doi:10.1016/j.icarus.2021.114331

Tidally Induced Magmatic Pulses on the Oceanic Floor of Jupiter's Moon Europa

Běhounková, M., Tobie, G., Choblet, G., Kervazo, M., Melwani Daswani, M., Dumoulin, C., & Vance, S. D. (2021). Tidally Induced Magmatic Pulses on the Oceanic Floor of Jupiter's Moon Europa. Geophysical Research Letters, 48(3), None. doi:10.1029/2020gl090077

Claimed Detection of PH3 in the Clouds of Venus Is Consistent with Mesospheric SO2

Lincowski, A. P., Meadows, V. S., Crisp, D., Akins, A. B., Schwieterman, E. W., Arney, G. N., … Domagal-Goldman, S. (2021). Claimed Detection of PH3 in the Clouds of Venus Is Consistent with Mesospheric SO2. The Astrophysical Journal, 908(2), L44. doi:10.3847/2041-8213/abde47

Assessment of the Presence of PAHs and Hydrogenated PAHs in the Young Stellar Object Mon R2 and the Taurus Dense Cloud Toward Elias 16

Chiar, J. E., De Barros, A. L. F., Mattioda, A. L., & Ricca, A. (2021). Assessment of the Presence of PAHs and Hydrogenated PAHs in the Young Stellar Object Mon R2 and the Taurus Dense Cloud Toward Elias 16. The Astrophysical Journal, 908(2), 239. doi:10.3847/1538-4357/abd6e8

Developmental processes in Ediacara macrofossils

Evans, S. D., Droser, M. L., & Erwin, D. H. (2021). Developmental processes in Ediacara macrofossils. Proceedings of the Royal Society B: Biological Sciences, 288(1945), 20203055. doi:10.1098/rspb.2020.3055

Globally distributed iridium layer preserved within the Chicxulub impact structure

Goderis, S., Sato, H., Ferrière, L., Schmitz, B., Burney, D., Kaskes, P., … , . (2021). Globally distributed iridium layer preserved within the Chicxulub impact structure. Science Advances, 7(9), eabe3647. doi:10.1126/sciadv.abe3647

Regulatory responses of Methanosarcina barkeri to freezing temperatures and perchlorates: Transcriptomic insights into the potential for biological Martian methanogenesis

Harris, R., Schuerger, A., Wang, W., Tamama, Y., Garvin, Z., & Onstott, T. (2021). Regulatory responses of Methanosarcina barkeri to freezing temperatures and perchlorates: Transcriptomic insights into the potential for biological Martian methanogenesis. None. doi:10.21203/rs.3.rs-247246/v1

Systems Chemistry in the Chemical Origins of Life: The 18th Camel Paradigm

Journal of Systems Chemistry 2020, Volume 8

Convective and Tectonic Plate Velocities in a Mixed Heating Mantle

Lenardic, A., Seales, J., Moore, W., & Weller, M. (2021). Convective and Tectonic Plate Velocities in a Mixed Heating Mantle. Geochemistry, Geophysics, Geosystems, 22(2), None. doi:10.1029/2020gc009278

High-resolution Mid-infrared Spectroscopy of GV Tau N: Surface Accretion and Detection of NH3 in a Young Protoplanetary Disk

Najita, J. R., Carr, J. S., Brittain, S. D., Lacy, J. H., Richter, M. J., & Doppmann, G. W. (2021). High-resolution Mid-infrared Spectroscopy of GV Tau N: Surface Accretion and Detection of NH3 in a Young Protoplanetary Disk. The Astrophysical Journal, 908(2), 171. doi:10.3847/1538-4357/abcfc6

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