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 2025Near-surface remote sensing applications for a robust, climate-smart measurement, monitoring, and information system (MMIS)

Runkle, B. R. K., Barnes, M., Dannenberg, M., Gamon, J. A., Magney, T., Pierrat, Z., … Woodgate, W. (2025). Near-surface remote sensing applications for a robust, climate-smart measurement, monitoring, and information system (MMIS). Carbon Management, 16(1), None. doi:10.1080/17583004.2025.2465361

HD 206893 B at High Spectral Resolution with the Keck Planet Imager and Characterizer

Sappey, B., Konopacky, Q., ó, C. R. D., Barman, T., Ruffio, J-B., Wang 王, J. 劲., … Xin, Y. (2025). HD 206893 B at High Spectral Resolution with the Keck Planet Imager and Characterizer. The Astronomical Journal, 169(3), 175. doi:10.3847/1538-3881/adad70

Floodplain topography and avulsion pathfinding control stratigraphic architecture in a numerical model of a fluvial fan

Sifuentes, C., Martin, H. K., Straub, K. M., Hajek, E. A., & Edmonds, D. A. (2025). Floodplain topography and avulsion pathfinding control stratigraphic architecture in a numerical model of a fluvial fan. Journal of Sedimentary Research, 95(1), 209–222. doi:10.2110/jsr.2024.045

TelescopeML. II. Convolutional Neural Networks for Predicting Brown Dwarf Atmospheric Parameters

Gharib-Nezhad, E. (., Valizadegan, H., Batalha, N. E., Martinho, M. J. S., & Lew, B. W. P. (2025). TelescopeML. II. Convolutional Neural Networks for Predicting Brown Dwarf Atmospheric Parameters. The Astrophysical Journal, 981(1), 67. doi:10.3847/1538-4357/ada1d2

Gaia-4b and 5b: Radial Velocity Confirmation of Gaia Astrometric Orbital Solutions Reveal a Massive Planet and a Brown Dwarf Orbiting Low-mass Stars

Stefánsson, G., Mahadevan, S., Winn, J. N., Marcussen, M. L., Kanodia, S., Albrecht, S., … Wright, J. T. (2025). Gaia-4b and 5b: Radial Velocity Confirmation of Gaia Astrometric Orbital Solutions Reveal a Massive Planet and a Brown Dwarf Orbiting Low-mass Stars. The Astronomical Journal, 169(2), 107. doi:10.3847/1538-3881/ada9e1

Geochemical Transformations of Gypsum Under Multiple Environmental Settings and Implications for Ca-Sulfate Detection on Mars

Yeşilbaş, M., Vu, T. H., Hodyss, R., Poch, O., Schmitt, B., Choukroun, M., … Bishop, J. L. (2025). Geochemical Transformations of Gypsum Under Multiple Environmental Settings and Implications for Ca-Sulfate Detection on Mars. ACS Earth and Space Chemistry, 9(3), 433–444. doi:10.1021/acsearthspacechem.4c00137

Assessment of high spectral resolution lidar-derived PM2.5 concentration from SEAC4RS, ACEPOL, and three DISCOVER-AQ campaigns

Sutherland, B. & Meskhidze, N. (2025) Assessment of high spectral resolution lidar-derived PM2.5 concentration from SEAC4RS, ACEPOL, and three DISCOVER-AQ campaigns, Environmental Science: Atmospheres, 3. doi:10.1039/D4EA00143E

Laboratory Study of Dust Mobilization on Airless Planetary Bodies in the Solar Wind Plasma

Cabra, A., Wang, X., & Horányi, M. (2025). Laboratory Study of Dust Mobilization on Airless Planetary Bodies in the Solar Wind Plasma. The Planetary Science Journal, 6(2), 46. doi:10.3847/psj/adb02c

Characterization of seven transiting systems, including four warm Jupiters from SOPHIE and TESS

Heidari, N., Hébrard, G., Martioli, E., Eastman, J. D., Jackson, J. M., Delfosse, X., … Ziegler, C. (2025). Characterization of seven transiting systems, including four warm Jupiters from SOPHIE and TESS. Astronomy & Astrophysics, 694, A36. doi:10.1051/0004-6361/202451519

The Doubly Librating Plutinos

Malhotra, R., & Ito, T. (2025). The Doubly Librating Plutinos. The Astrophysical Journal, 980(1), 115. doi:10.3847/1538-4357/adacd9

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