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 2020A novel PARAFAC model for continental hot springs reveals unique dissolved organic carbon compositions

Nye, J., Shock, E., & Hartnett, H. (2020). A novel PARAFAC model for continental hot springs reveals unique dissolved organic carbon compositions. Organic Geochemistry, None, 103964. doi:10.1016/j.orggeochem.2019.103964

Detecting and Characterizing Water Vapor in the Atmospheres of Earth Analogs through Observation of the 0.94 μm Feature in Reflected Light

Smith, A. J. R. W., Katherina Feng, Y., Fortney, J. J., Robinson, T. D., Marley, M. S., Lupu, R. E., & Lewis, N. K. (2020). Detecting and Characterizing Water Vapor in the Atmospheres of Earth Analogs through Observation of the 0.94 μm Feature in Reflected Light. The Astronomical Journal, 159(2), 36. doi:10.3847/1538-3881/ab5a8a

Bioenergetic constraints on the origin of autotrophic metabolism

Boyd, E. S., Amenabar, M. J., Poudel, S., & Templeton, A. S. (2020). Bioenergetic constraints on the origin of autotrophic metabolism. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 378(2165), 20190151. doi:10.1098/rsta.2019.0151

Outgassing from the OSIRIS-REx sample return capsule: characterization and mitigation

Sandford, S. A., Bierhaus, E. B., Antreasian, P., Leonard, J., Materese, C. K., May, C. W., … Rizk, B. (2020). Outgassing from the OSIRIS-REx sample return capsule: characterization and mitigation. Acta Astronautica, 166, 391–399. doi:10.1016/j.actaastro.2019.07.043

December 2019The Effect of Land Fraction and Host Star Spectral Energy Distribution on the Planetary Albedo of Terrestrial Worlds

Rushby, A. J., Shields, A. L., & Joshi, M. (2019). The Effect of Land Fraction and Host Star Spectral Energy Distribution on the Planetary Albedo of Terrestrial Worlds. The Astrophysical Journal, 887(1), 29. doi:10.3847/1538-4357/ab4da6

Lithium mineral evolution and ecology: comparison with boron and beryllium

Grew, E. S., Hystad, G., Toapanta, M. P. C., Eleish, A., Ostroverkhova, A., Golden, J., & Hazen, R. M. (2019). Lithium mineral evolution and ecology: comparison with boron and beryllium. European Journal of Mineralogy, 31(4), 755–774. doi:10.1127/ejm/2019/0031-2862

Atmospheric dust stimulated marine primary productivity during Earth’s penultimate icehouse

Sardar Abadi, M., Owens, J. D., Liu, X., Them, T. R., Cui, X., Heavens, N. G., & Soreghan, G. S. (2019). Atmospheric dust stimulated marine primary productivity during Earth’s penultimate icehouse. Geology. doi:10.1130/g46977.1

Stellar Activity Effects on Moist Habitable Terrestrial Atmospheres around M Dwarfs

Badhan, M. A., Wolf, E. T., Kopparapu, R. K., Arney, G., Kempton, E-R., Deming, D., & Domagal-Goldman, S. D. (2019). Stellar Activity Effects on Moist Habitable Terrestrial Atmospheres around M Dwarfs. The Astrophysical Journal, 887(1), 34. doi:10.3847/1538-4357/ab32e8

MASCARA-4 b/bRing-1b: A retrograde hot Jupiter around a bright A-type star

Dorval, P., Talens, G. J. J., Otten, G. P. P. L., Brahm, R., Jordán, A., Torres, P., … , . (2019). MASCARA-4 b/bRing-1b: A retrograde hot Jupiter around a bright A-type star. Astronomy & Astrophysics. doi:10.1051/0004-6361/201935611

The Akimotoite--Majorite--Bridgmanite Triple Point Determined in Large Volume Press and Laser-Heated Diamond Anvil Cell

Kulka, B., Dolinschi, J., Leinenweber, K., Prakapenka, V., & Shim, S-H. (2019). The Akimotoite--Majorite--Bridgmanite Triple Point Determined in Large Volume Press and Laser-Heated Diamond Anvil Cell. None. doi:10.20944/preprints201912.0177.v1

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