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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March 2021A pole-to-equator ocean overturning circulation on Enceladus

Lobo, A. H., Thompson, A. F., Vance, S. D., & Tharimena, S. (2021). A pole-to-equator ocean overturning circulation on Enceladus. Nature Geoscience. doi:10.1038/s41561-021-00706-3

Venus’ Mass Spectra Show Signs of Disequilibria in the Middle Clouds

Mogul, R., Limaye, S. S., Way, M. J., & Cordova, J. A. (2021). Venus’ Mass Spectra Show Signs of Disequilibria in the Middle Clouds. Geophysical Research Letters. doi:10.1029/2020gl091327

Raman spectroscopy provides insight into carbonate rock fabric based on calcite and dolomite crystal orientation

Murphy, A. E., Jakubek, R. S., Steele, A., Fries, M. D., & Glamoclija, M. (2021). Raman spectroscopy provides insight into carbonate rock fabric based on calcite and dolomite crystal orientation. Journal of Raman Spectroscopy, 52(6), 1155–1166. doi:10.1002/jrs.6097

ExoMars Mars Organic Molecule Analyzer (MOMA) Laser Desorption/Ionization Mass Spectrometry (LDI-MS) Analysis of Phototrophic Communities from a Silica-Depositing Hot Spring in Yellowstone National Park, USA

Siljeström, S., Li, X., Brinckerhoff, W., Van Amerom, F., & Cady, S. L. (2021). ExoMars Mars Organic Molecule Analyzer (MOMA) Laser Desorption/Ionization Mass Spectrometry (LDI-MS) Analysis of Phototrophic Communities from a Silica-Depositing Hot Spring in Yellowstone National Park, USA. Astrobiology. doi:10.1089/ast.2020.2368

The Deployment of the Seismometer to Investigate Ice and Ocean Structure (SIIOS) in Northwest Greenland: An Analog Experiment for Icy Ocean World Seismic Deployments

Marusiak, A. G., Schmerr, N. C., DellaGiustina, D. N., Avenson, B., Bailey, S. H., Bray, V. J., … Weber, R. C. (2021). The Deployment of the Seismometer to Investigate Ice and Ocean Structure (SIIOS) in Northwest Greenland: An Analog Experiment for Icy Ocean World Seismic Deployments. Seismological Research Letters, 92(3), 2036–2049. doi:10.1785/0220200291

1I/‘Oumuamua as an N 2 ice fragment of an exo‐Pluto surface: I. Size and Compositional Constraints

Jackson, A. P., & Desch, S. J. (2021). 1I/‘Oumuamua as an N 2 ice fragment of an exo‐Pluto surface: I. Size and Compositional Constraints. Journal of Geophysical Research: Planets. doi:10.1029/2020je006706

Tracing a modern biosphere on Mars

Cabrol, N. A. (2021). Tracing a modern biosphere on Mars. Nature Astronomy, 5(3), 210–212. doi:10.1038/s41550-021-01327-x

Enzyme-Specific Coupling of Oxygen and Nitrogen Isotope Fractionation of the Nap and Nar Nitrate Reductases

Asamoto, C. K., Rempfert, K. R., Luu, V. H., Younkin, A. D., & Kopf, S. H. (2021). Enzyme-Specific Coupling of Oxygen and Nitrogen Isotope Fractionation of the Nap and Nar Nitrate Reductases. Environmental Science & Technology. doi:10.1021/acs.est.0c07816

Hydrogen isotopic exchange kinetics between organic matter and water: Implications for chemical evolution during meteorite parent body processing

Kebukawa, Y., Kobayashi, S., Kawasaki, N., Wang, Y., Yurimoto, H., & Cody, G. D. (2021). Hydrogen isotopic exchange kinetics between organic matter and water: Implications for chemical evolution during meteorite parent body processing. Meteoritics & Planetary Science. doi:10.1111/maps.13629

Organic matter and water from asteroid Itokawa

Chan, Q. H. S., Stephant, A., Franchi, I. A., Zhao, X., Brunetto, R., Kebukawa, Y., … Grady, M. M. (2021). Organic matter and water from asteroid Itokawa. Scientific Reports, 11(1), None. doi:10.1038/s41598-021-84517-x

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