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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October 2019Predicting the Yield of Potential Venus Analogs from TESS and Their Potential for Atmospheric Characterization

Ostberg, C., & Kane, S. R. (2019). Predicting the Yield of Potential Venus Analogs from TESS and Their Potential for Atmospheric Characterization. The Astronomical Journal, 158(5), 195. doi:10.3847/1538-3881/ab44b0

Model of the Search for Extraterrestrial Intelligence with Coronagraphic Imaging

Vides, C. L., Macintosh, B., Binder, B. A., De Rosa, R. J., Ruffio, J-B., & Savransky, D. (2019). Model of the Search for Extraterrestrial Intelligence with Coronagraphic Imaging. The Astronomical Journal, 158(5), 207. doi:10.3847/1538-3881/ab40b8

The Calculated Infrared Spectra of Functionalized Hexamethylenetetramine (HMT) Molecules

Bera, P. P., Sandford, S. A., Lee, T. J., & Nuevo, M. (2019). The Calculated Infrared Spectra of Functionalized Hexamethylenetetramine (HMT) Molecules. The Astrophysical Journal, 884(1), 64. doi:10.3847/1538-4357/ab3c4f

Simulations of Ice Chemistry in Cometary Nuclei

Garrod, R. T. (2019). Simulations of Ice Chemistry in Cometary Nuclei. The Astrophysical Journal, 884(1), 69. doi:10.3847/1538-4357/ab418e

Binary survival in the outer solar system

Nesvorný, D., & Vokrouhlický, D. (2019). Binary survival in the outer solar system. Icarus, 331, 49–61. doi:10.1016/j.icarus.2019.04.030

The evolution of CNO isotopes: the impact of massive stellar rotators

Romano, D., Matteucci, F., Zhang, Z-Y., Ivison, R. J., & Ventura, P. (2019). The evolution of CNO isotopes: the impact of massive stellar rotators. Monthly Notices of the Royal Astronomical Society. doi:10.1093/mnras/stz2741

The origin of blue coloration in a fulgurite from Marquette, Michigan

Feng, T., Lang, C., & Pasek, M. A. (2019). The origin of blue coloration in a fulgurite from Marquette, Michigan. Lithos, 342-343, 288–294. doi:10.1016/j.lithos.2019.06.003

The first samples from Almahata Sitta showing contacts between ureilitic and chondritic lithologies: Implications for the structure and composition of asteroid 2008 TC 3

Goodrich, C. A., Zolensky, M. E., Fioretti, A. M., Shaddad, M. H., Downes, H., Hiroi, T., … Jenniskens, P. (2019). The first samples from Almahata Sitta showing contacts between ureilitic and chondritic lithologies: Implications for the structure and composition of asteroid 2008 TC 3. Meteoritics & Planetary Science, 54(11), 2769–2813. doi:10.1111/maps.13390

Collapse of the General Circulation in Shortwave-absorbing Atmospheres: An Idealized Model Study

Kang, W., & Wordsworth, R. (2019). Collapse of the General Circulation in Shortwave-absorbing Atmospheres: An Idealized Model Study. The Astrophysical Journal, 885(1), L18. doi:10.3847/2041-8213/ab4c43

Meridional flows in the disk around a young star

Teague, R., Bae, J., & Bergin, E. A. (2019). Meridional flows in the disk around a young star. Nature, 574(7778), 378–381. doi:10.1038/s41586-019-1642-0

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