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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September 2023The Physical Oceanography of Ice-Covered Moons

Soderlund, K. M., Rovira-Navarro, M., Le Bars, M., Schmidt, B. E., & Gerkema, T. (2023). The Physical Oceanography of Ice-Covered Moons. Annual Review of Marine Science, 16(1), None. doi:10.1146/annurev-marine-040323-101355

Metabolic versatility of Caldarchaeales from geothermal features of Hawai’i and Chile as revealed by five metagenome-assembled genomes

Balbay, M. G., Shlafstein, M. D., Cockell, C., Cady, S. L., Prescott, R. D., Lim, D. S. S., … Saw, J. H. (2023). Metabolic versatility of Caldarchaeales from geothermal features of Hawai’i and Chile as revealed by five metagenome-assembled genomes. Frontiers in Microbiology, 14, None. doi:10.3389/fmicb.2023.1216591

Archaeal Tubulin-like Proteins Modify Cell Shape in Haloferax volcanii during Early Biofilm Development

Cooper, A., Makkay, A. M., & Thane Papke, R. (2023). Archaeal Tubulin-like Proteins Modify Cell Shape in Haloferax volcanii during Early Biofilm Development. Genes, 14(10), 1861. doi:10.3390/genes14101861

Producing 3D radargrams from orbital radar sounding data at Mars: History, results, methods, lessons and plans

Foss, F. J., Putzig, N. E., Campbell, B. A., Levin, S. A., Perry, M. R., Holt, J. W., … Russell, A. T. (2023). Producing 3D radargrams from orbital radar sounding data at Mars: History, results, methods, lessons and plans. Icarus, None, 115793. doi:10.1016/j.icarus.2023.115793

Earth as a Transiting Exoplanet: A Validation of Transmission Spectroscopy and Atmospheric Retrieval Methodologies for Terrestrial Exoplanets

Lustig-Yaeger, J., Meadows, V. S., Crisp, D., Line, M. R., & Robinson, T. D. (2023). Earth as a Transiting Exoplanet: A Validation of Transmission Spectroscopy and Atmospheric Retrieval Methodologies for Terrestrial Exoplanets. The Planetary Science Journal, 4(9), 170. doi:10.3847/psj/acf3e5

Shock-Impacts and Vibrational g-Forces Can Dislodge Bacillus spp. Spores from Spacecraft Surfaces

Schuerger, A. C., & Borrell, A. V. (2023). Shock-Impacts and Vibrational g-Forces Can Dislodge Bacillus spp. Spores from Spacecraft Surfaces. Microorganisms, 11(10), 2421. doi:10.3390/microorganisms11102421

Possible Gas-Phase Synthesis of Neutral Malononitrile (C3H2N2) and Isocyanoacetonitrile (NCCH2NC) under the Upper Atmospheric Conditions of Titan

Ramal-Olmedo, J. C., Menor-Salván, C. A., Miyoshi, A., Fortenberry, R. C. (2023). Possible Gas-Phase Synthesis of Neutral Malononitrile (C3H2N2) and Isocyanoacetonitrile (NCCH2NC) under the Upper Atmospheric Conditions of Titan. ACS Earth Space Chemistry. doi: 10.1021/acsearthspacechem.3c00107

The Influence of Hydrogen Sulfide on the Optical Properties of Planetary Organic Hazes: Implications for Exoplanet Climate Modeling

Reed, N. W., Jansen, K. T., Schiffman, Z. R., Tolbert, M. A., & Browne, E. C. (2023). The Influence of Hydrogen Sulfide on the Optical Properties of Planetary Organic Hazes: Implications for Exoplanet Climate Modeling. The Astrophysical Journal Letters, 954(2), L44. doi:10.3847/2041-8213/acf1a2

August 2023Vibrational spectroscopic, crystallographic, and microscopic investigation on the Aioun El Atrouss diogenite

Ayvaz, I., Unsalan, O., Castro, K., Altunayar‐Unsalan, C., & Zolensky, M. E. (2023). Vibrational spectroscopic, crystallographic, and microscopic investigation on the Aioun El Atrouss diogenite. Journal of Raman Spectroscopy. doi:10.1002/jrs.6583

Isolating Dust and Free–Free Emission in ONC Proplyds with ALMA Band 3 Observations

Ballering, N. P., Cleeves, L. I., Haworth, T. J., Bally, J., Eisner, J. A., Ginsburg, A., … Kim, J. S. (2023). Isolating Dust and Free–Free Emission in ONC Proplyds with ALMA Band 3 Observations. The Astrophysical Journal, 954(2), 127. doi:10.3847/1538-4357/ace901

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