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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December 2018Chlorophyll nitrogen isotope values track shifts between cyanobacteria and eukaryotic algae in a natural phytoplankton community in Lake Erie

Kharbush, J. J., Smith, D. J., Powers, M., Vanderploeg, H. A., Fanslow, D., Robinson, R. S., … Pearson, A. (2018). Chlorophyll nitrogen isotope values track shifts between cyanobacteria and eukaryotic algae in a natural phytoplankton community in Lake Erie. Organic Geochemistry. doi:10.1016/j.orggeochem.2018.12.006

Magmatism, serpentinization and life: Insights through drilling the Atlantis Massif (IODP Expedition 357)

Früh-Green, G. L., Orcutt, B. N., Rouméjon, S., Lilley, M. D., Morono, Y., Cotterill, C., … Bilenker, L. (2018). Magmatism, serpentinization and life: Insights through drilling the Atlantis Massif (IODP Expedition 357). Lithos, 323, 137–155. doi:10.1016/j.lithos.2018.09.012

Geomorphological analysis of gullies on the central peak of Lyot Crater, Mars

Gulick, V. C., Glines, N., Hart, S., & Freeman, P. (2018). Geomorphological analysis of gullies on the central peak of Lyot Crater, Mars. Geological Society, London, Special Publications, 467(1), 233–265. doi:10.1144/sp467.17

Trait heritability in major transitions

Herron, M. D., Zamani-Dahaj, S. A., & Ratcliff, W. C. (2018). Trait heritability in major transitions. BMC Biology, 16(1), None. doi:10.1186/s12915-018-0612-6

Signs of life on a global scale: Earth as a laboratory for exoplanet biosignatures

Schwieterman, E., Lyons, T., & Reinhard, C. (2018). Signs of life on a global scale: Earth as a laboratory for exoplanet biosignatures. The Biochemist, 40(6), 22–27. doi:10.1042/bio04006022

Detecting Ocean Glint on Exoplanets Using Multiphase Mapping

Lustig-Yaeger, J., Meadows, V. S., Tovar Mendoza, G., Schwieterman, E. W., Fujii, Y., Luger, R., & Robinson, T. D. (2018). Detecting Ocean Glint on Exoplanets Using Multiphase Mapping. The Astronomical Journal, 156(6), 301. doi:10.3847/1538-3881/aaed3a

Deoxyribose and deoxysugar derivatives from photoprocessed astrophysical ice analogues and comparison to meteorites

Nuevo, M., Cooper, G., & Sandford, S. A. (2018). Deoxyribose and deoxysugar derivatives from photoprocessed astrophysical ice analogues and comparison to meteorites. Nature Communications, 9(1), None. doi:10.1038/s41467-018-07693-x

New Formation Models for the Kepler-36 System

Bodenheimer, P., Stevenson, D. J., Lissauer, J. J., & D’Angelo, G. (2018). New Formation Models for the Kepler-36 System. The Astrophysical Journal, 868(2), 138. doi:10.3847/1538-4357/aae928

Searching for lost nucleotides of the pre-RNA World with a self-refining model of early Earth

Hud, N. V. (2018). Searching for lost nucleotides of the pre-RNA World with a self-refining model of early Earth. Nature Communications, 9(1), None. doi:10.1038/s41467-018-07389-2

Spontaneous Symmetry Breaking in the Formation of Supramolecular Polymers: Implications for the Origin of Biological Homochirality

Hud, N. V., Schuster, G., Karunakaran, S., Cafferty, B., & Weigert-Muñoz, A. (2018). Spontaneous Symmetry Breaking in the Formation of Supramolecular Polymers: Implications for the Origin of Biological Homochirality. Angewandte Chemie International Edition. doi:10.1002/anie.201812808

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