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 2021The Beta Pictoris b Hill Sphere transit campaign. I. Photometric limits to dust and rings

Kenworthy, M., Mellon, S., Bailey, J. I., , I. I. I., Stuik, R., Dorval, P., … , . (2021). The Beta Pictoris b Hill Sphere transit campaign. I. Photometric limits to dust and rings. Astronomy & Astrophysics. doi:10.1051/0004-6361/202040060

Testing Short-term Variability and Sampling of Primary Volatiles in Comet 46P/Wirtanen

Khan, Y., Gibb, E. L., Bonev, B. P., Roth, N. X., Saki, M., DiSanti, M. A., … Protopapa, S. (2021). Testing Short-term Variability and Sampling of Primary Volatiles in Comet 46P/Wirtanen. The Planetary Science Journal, 2(1), 20. doi:10.3847/psj/abc95c

Adaptation reduces competitive dominance and alters community assembly

Nadeau, C. P., Farkas, T. E., Makkay, A. M., Papke, R. T., & Urban, M. C. (2021). Adaptation reduces competitive dominance and alters community assembly. Proceedings of the Royal Society B: Biological Sciences, 288(1945), 20203133. doi:10.1098/rspb.2020.3133

Imaging low-mass planets within the habitable zone of α Centauri

Wagner, K., Boehle, A., Pathak, P., Kasper, M., Arsenault, R., Jakob, G., … De Zeeuw, T. (2021). Imaging low-mass planets within the habitable zone of α Centauri. Nature Communications, 12(1), None. doi:10.1038/s41467-021-21176-6

Origin of the degassing pipes at the Ries impact structure and implications for impact‐induced alteration on Mars and other planetary bodies

Caudill, C., Osinski, G. R., Greenberger, R. N., Tornabene, L. L., Longstaffe, F. J., Flemming, R. L., & Ehlmann, B. L. (2021). Origin of the degassing pipes at the Ries impact structure and implications for impact‐induced alteration on Mars and other planetary bodies. Meteoritics & Planetary Science. doi:10.1111/maps.13600

Open questions in understanding life’s origins

Butch, C. J., Meringer, M., Gagnon, J-S., & James Cleaves, H. (2021). Open questions in understanding life’s origins. Communications Chemistry, 4(1), None. doi:10.1038/s42004-021-00448-8

Quantifying the Hypervolatile Abundances in Jupiter-family Comet 46P/Wirtanen

McKay, A. J., DiSanti, M. A., Cochran, A. L., Bonev, B. P., Russo, N. D., Vervack, R. J., … Kawakita, H. (2021). Quantifying the Hypervolatile Abundances in Jupiter-family Comet 46P/Wirtanen. The Planetary Science Journal, 2(1), 21. doi:10.3847/psj/abd71d

Optical 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

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