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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January 2018Volatile element loss during planetary magma ocean phases

Dhaliwal, J. K., Day, J. M. D., & Moynier, F. (2018). Volatile element loss during planetary magma ocean phases. Icarus, 300, 249–260. doi:10.1016/j.icarus.2017.09.002

The California-Kepler Survey. V. Peas in a Pod: Planets in a Kepler Multi-planet System Are Similar in Size and Regularly Spaced

Weiss, L. M., Marcy, G. W., Petigura, E. A., Fulton, B. J., Howard, A. W., Winn, J. N., … Cargile, P. A. (2018). The California-Kepler Survey. V. Peas in a Pod: Planets in a Kepler Multi-planet System Are Similar in Size and Regularly Spaced. The Astronomical Journal, 155(1), 48. doi:10.3847/1538-3881/aa9ff6

The Taurus Boundary of Stellar/Substellar (TBOSS) Survey. II. Disk Masses from ALMA Continuum Observations

Ward-Duong, K., Patience, J., Bulger, J., Van Der Plas, G., Ménard, F., Pinte, C., … De Rosa, R. J. (2018). The Taurus Boundary of Stellar/Substellar (TBOSS) Survey. II. Disk Masses from ALMA Continuum Observations. The Astronomical Journal, 155(2), 54. doi:10.3847/1538-3881/aaa128

The Transit Light Source Effect: False Spectral Features and Incorrect Densities for M-dwarf Transiting Planets

Rackham, B. V., Apai, D., & Giampapa, M. S. (2018). The Transit Light Source Effect: False Spectral Features and Incorrect Densities for M-dwarf Transiting Planets. The Astrophysical Journal, 853(2), 122. doi:10.3847/1538-4357/aaa08c

Demarcating Circulation Regimes of Synchronously Rotating Terrestrial Planets within the Habitable Zone

Haqq-Misra, J., Wolf, E. T., Joshi, M., Zhang, X., & Kopparapu, R. K. (2018). Demarcating Circulation Regimes of Synchronously Rotating Terrestrial Planets within the Habitable Zone. The Astrophysical Journal, 852(2), 67. doi:10.3847/1538-4357/aa9f1f

December 2017Triggered Star Formation inside the Shell of a Wolf–Rayet Bubble as the Origin of the Solar System

Dwarkadas, V. V., Dauphas, N., Meyer, B., Boyajian, P., & Bojazi, M. (2017). Triggered Star Formation inside the Shell of a Wolf–Rayet Bubble as the Origin of the Solar System. The Astrophysical Journal, 851(2), 147. doi:10.3847/1538-4357/aa992e

Glycosylation of a model proto-RNA nucleobase with non-ribose sugars: implications for the prebiotic synthesis of nucleosides

Fialho, D. M., Clarke, K. C., Moore, M. K., Schuster, G. B., Krishnamurthy, R., & Hud, N. V. (2018). Glycosylation of a model proto-RNA nucleobase with non-ribose sugars: implications for the prebiotic synthesis of nucleosides. Organic & Biomolecular Chemistry, 16(8), 1263–1271. doi:10.1039/c7ob03017g

Complexity in pH-Dependent Ribozyme Kinetics: Dark pKa Shifts and Wavy Rate–pH Profiles

Frankel, E. A., & Bevilacqua, P. C. (2017). Complexity in pH-Dependent Ribozyme Kinetics: Dark pKa Shifts and Wavy Rate–pH Profiles. Biochemistry, 57(5), 483–488. doi:10.1021/acs.biochem.7b00784

Extraterrestrial formation of oldhamite and portlandite through thermal metamorphism of calcite in the Sutter's Mill carbonaceous chondrite

Haberle, C. W., & Garvie, L. A. J. (2017). Extraterrestrial formation of oldhamite and portlandite through thermal metamorphism of calcite in the Sutter's Mill carbonaceous chondrite. American Mineralogist, 102(12), 2415–2421. doi:10.2138/am-2017-6180

Photobiological Effects at Earth's Surface Following a 50 pc Supernova

Thomas, B. C. (2017). Photobiological Effects at Earth's Surface Following a 50 pc Supernova. Astrobiology. doi:10.1089/ast.2017.1730

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