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 2022Evidence for the oxidation of Earth’s crust from the evolution of manganese minerals

Hummer, D. R., Golden, J. J., Hystad, G., Downs, R. T., Eleish, A., Liu, C., … Hazen, R. M. (2022). Evidence for the oxidation of Earth’s crust from the evolution of manganese minerals. Nature Communications, 13(1), None. doi:10.1038/s41467-022-28589-x

Building Terrestrial Planets: Why Results of Perfect-merging Simulations Are Not Quantitatively Reliable Approximations to Accurate Modeling of Terrestrial Planet Formation

Haghighipour, N., & Maindl, T. I. (2022). Building Terrestrial Planets: Why Results of Perfect-merging Simulations Are Not Quantitatively Reliable Approximations to Accurate Modeling of Terrestrial Planet Formation. The Astrophysical Journal, 926(2), 197. doi:10.3847/1538-4357/ac4969

An Energy Balance Model for Rapidly and Synchronously Rotating Terrestrial Planets

Haqq-Misra, J., & Hayworth, B. P. C. (2022). An Energy Balance Model for Rapidly and Synchronously Rotating Terrestrial Planets. The Planetary Science Journal, 3(2), 32. doi:10.3847/psj/ac49eb

Determining Dispersal Mechanisms of Protoplanetary Disks Using Accretion and Wind Mass Loss Rates

Hasegawa, Y., Haworth, T. J., Hoadley, K., Kim, J. S., Goto, H., Juzikenaite, A., … Hamden, E. T. (2022). Determining Dispersal Mechanisms of Protoplanetary Disks Using Accretion and Wind Mass Loss Rates. The Astrophysical Journal Letters, 926(2), L23. doi:10.3847/2041-8213/ac50aa

Large Binocular Telescope Search for Companions and Substructures in the (Pre)transitional Disk of AB Aurigae

Jorquera, S., Bonnefoy, M., Betti, S., Chauvin, G., Buenzli, E., Pérez, L. M., … Boekel, R. V. (2022). Large Binocular Telescope Search for Companions and Substructures in the (Pre)transitional Disk of AB Aurigae. The Astrophysical Journal, 926(1), 71. doi:10.3847/1538-4357/ac4be4

Hierarchical Bayesian Atmospheric Retrieval Modeling for Population Studies of Exoplanet Atmospheres: A Case Study on the Habitable Zone

Lustig-Yaeger, J., Sotzen, K. S., Stevenson, K. B., Luger, R., May, E. M., Mayorga, L. C., … Izenberg, N. R. (2022). Hierarchical Bayesian Atmospheric Retrieval Modeling for Population Studies of Exoplanet Atmospheres: A Case Study on the Habitable Zone. The Astronomical Journal, 163(3), 140. doi:10.3847/1538-3881/ac5034

Signs of late infall and possible planet formation around DR Tau using VLT/SPHERE and LBTI/LMIRCam

Mesa, D., Ginski, C., Gratton, R., Ertel, S., Wagner, K., Bonavita, M., … Vigan, A. (2022). Signs of late infall and possible planet formation around DR Tau using VLT/SPHERE and LBTI/LMIRCam. Astronomy & Astrophysics, 658, A63. doi:10.1051/0004-6361/202142219

TRAPPIST-1: Dynamical analysis of the transit-timing variations and origin of the resonant chain

Teyssandier, J., Libert, A-S., & Agol, E. (2022). TRAPPIST-1: Dynamical analysis of the transit-timing variations and origin of the resonant chain. Astronomy & Astrophysics, 658, A170. doi:10.1051/0004-6361/202142377

A New Perspective on the Interiors of Ice-rich Planets: Ice–Rock Mixture Instead of Ice on Top of Rock

Vazan, A., Sari, R. e., & Kessel, R. (2022). A New Perspective on the Interiors of Ice-rich Planets: Ice–Rock Mixture Instead of Ice on Top of Rock. The Astrophysical Journal, 926(2), 150. doi:10.3847/1538-4357/ac458c

Chemical characteristics of iron meteorite parent bodies

Hilton, C. D., Ash, R. D., & Walker, R. J. (2022). Chemical characteristics of iron meteorite parent bodies. Geochimica et Cosmochimica Acta, 318, 112–125. doi:10.1016/j.gca.2021.11.035

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