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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July 2024Evidence of both molecular cloud and fluid chemistry in Ryugu regolith

Bose, M., Root, R. A., Guan, Y., Eaton, J., Wittmann, A., Skrmetti, T., & Desch, S. J. (2024). Evidence of both molecular cloud and fluid chemistry in Ryugu regolith. Science Advances, 10(30), None. doi:10.1126/sciadv.adp3037

Updated Spectral Characteristics for the Ultracool Dwarf TRAPPIST-1

Davoudi, F., Rackham, B. V., Gillon, M., De Wit, J., Burgasser, A. J., Delrez, L., … Ducrot, E. (2024). Updated Spectral Characteristics for the Ultracool Dwarf TRAPPIST-1. The Astrophysical Journal Letters, 970(1), L4. doi:10.3847/2041-8213/ad5c6c

Variable and Large Losses of Diagnostic Biomarkers After Simulated Cosmic Radiation Exposure in Clay- and Carbonate-Rich Mars Analog Samples

Roussel, A., McAdam, A. C., Pavlov, A. A., Knudson, C. A., Achilles, C. N., Foustoukos, D. I., … Johnson, S. S. (2024). Variable and Large Losses of Diagnostic Biomarkers After Simulated Cosmic Radiation Exposure in Clay- and Carbonate-Rich Mars Analog Samples. Astrobiology, 24(7), 669–683. doi:10.1089/ast.2023.0123

JWST-TST High Contrast: Achieving Direct Spectroscopy of Faint Substellar Companions Next to Bright Stars with the NIRSpec Integral Field Unit

Ruffio, J-B., Perrin, M. D., Hoch, K. K. W., Kammerer, J., Konopacky, Q. M., Pueyo, L., … Matt Mountain, C. (2024). JWST-TST High Contrast: Achieving Direct Spectroscopy of Faint Substellar Companions Next to Bright Stars with the NIRSpec Integral Field Unit. The Astronomical Journal, 168(2), 73. doi:10.3847/1538-3881/ad5281

Multicellular magnetotactic bacteria are genetically heterogeneous consortia with metabolically differentiated cells

Schaible, G. A., Jay, Z. J., Cliff, J., Schulz, F., Gauvin, C., Goudeau, D., … Hatzenpichler, R. (2024). Multicellular magnetotactic bacteria are genetically heterogeneous consortia with metabolically differentiated cells. PLOS Biology, 22(7), e3002638. doi:10.1371/journal.pbio.3002638

June 2024Retrieved Atmospheres and Inferred Surface Properties for Terrestrial Exoplanets Using Transmission and Reflected-light Spectroscopy

Gilbert-Janizek, S., Meadows, V. S., & Lustig-Yaeger, J. (2024). Retrieved Atmospheres and Inferred Surface Properties for Terrestrial Exoplanets Using Transmission and Reflected-light Spectroscopy. The Planetary Science Journal, 5(6), 148. doi:10.3847/psj/ad381e

BASE (Barberton Archean Surface Environments) – drilling Paleoarchean coastal strata of the Barberton Greenstone Belt

Heubeck, C., Beukes, N., De Kock, M., Homann, M., Javaux, E. J., Kakegawa, T., … Kunkel, C. (2024). BASE (Barberton Archean Surface Environments) – drilling Paleoarchean coastal strata of the Barberton Greenstone Belt. Scientific Drilling, 33(2), 129–172. doi:10.5194/sd-33-129-2024

Tidal Seismicity in the Moon and Implications for the Rocky Interior of Europa

Pou, L., Panning, M. P., Styczinski, M. J., Melwani Daswani, M., Nunn, C., & Vance, S. D. (2024). Tidal Seismicity in the Moon and Implications for the Rocky Interior of Europa. The Planetary Science Journal, 5(6), 142. doi:10.3847/psj/ad47bc

Exoplanet host star classification: Multi-Objective Optimisation of incomplete stellar abundance data

Zammit, M. A., Borg, J., & Adami, K. Z. (2024). Exoplanet host star classification: Multi-Objective Optimisation of incomplete stellar abundance data. RAS Techniques and Instruments. doi:10.1093/rasti/rzae020

The hydrology of the Jezero crater paleolake: Implications for the climate and limnology of the lake system from hydrological modeling

Horvath, D. G., & Andrews-Hanna, J. C. (2024). The hydrology of the Jezero crater paleolake: Implications for the climate and limnology of the lake system from hydrological modeling. Earth and Planetary Science Letters, 635, 118690. doi:10.1016/j.epsl.2024.118690

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