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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July 2019Impact of space weather on climate and habitability of terrestrial-type exoplanets

Airapetian, V. S., Barnes, R., Cohen, O., Collinson, G. A., Danchi, W. C., Dong, C. F., … Yamashiki, Y. (2019). Impact of space weather on climate and habitability of terrestrial-type exoplanets. International Journal of Astrobiology, None, 1–59. doi:10.1017/s1473550419000132

A Thousand Earths: A Very Large Aperture, Ultralight Space Telescope Array for Atmospheric Biosignature Surveys

Apai, D., Milster, T. D., Kim, D. W., Bixel, A., Schneider, G., Liang, R., & Arenberg, J. (2019). A Thousand Earths: A Very Large Aperture, Ultralight Space Telescope Array for Atmospheric Biosignature Surveys. The Astronomical Journal, 158(2), 83. doi:10.3847/1538-3881/ab2631

Double-peaked [O i] Profile: A Likely Signature of the Gaseous Ring around KH 15D

Fang, M., Pascucci, I., Kim, J. S., & Edwards, S. (2019). Double-peaked [O i] Profile: A Likely Signature of the Gaseous Ring around KH 15D. The Astrophysical Journal, 879(1), L10. doi:10.3847/2041-8213/ab288d

OSSOS. XV. Probing the Distant Solar System with Observed Scattering TNOs

Kaib, N. A., Pike, R., Lawler, S., Kovalik, M., Brown, C., Alexandersen, M., … Petit, J-M. (2019). OSSOS. XV. Probing the Distant Solar System with Observed Scattering TNOs. The Astronomical Journal, 158(1), 43. doi:10.3847/1538-3881/ab2383

Orbital Stability and Precession Effects in the Kepler-89 System

Kane, S. R. (2019). Orbital Stability and Precession Effects in the Kepler-89 System. The Astronomical Journal, 158(2), 72. doi:10.3847/1538-3881/ab2a09

The Pressure and Temperature Limits of Likely Rocky Exoplanets

Unterborn, C. T., & Panero, W. R. (2019). The Pressure and Temperature Limits of Likely Rocky Exoplanets. Journal of Geophysical Research: Planets, 124(7), 1704–1716. doi:10.1029/2018je005844

Probing the Geological Source and Biological Fate of Hydrogen in Yellowstone Hot Springs

Lindsay, M. R., Colman, D. R., Amenabar, M. J., Fristad, K. E., Fecteau, K. M., Debes, R. V., … Boyd, E. S. (2019). Probing the Geological Source and Biological Fate of Hydrogen in Yellowstone Hot Springs. Environmental Microbiology. doi:10.1111/1462-2920.14730

Updating Planetary Protection Considerations and Policies for Mars Sample Return

Uhran, B., Conley, C., & Andy Spry, J. (2019). Updating Planetary Protection Considerations and Policies for Mars Sample Return. Space Policy. doi:10.1016/j.spacepol.2019.04.001

Selective incorporation of proteinaceous over nonproteinaceous cationic amino acids in model prebiotic oligomerization reactions

Frenkel-Pinter, M., Haynes, J. W., C, M., Petrov, A. S., Burcar, B. T., Krishnamurthy, R., … Williams, L. D. (2019). Selective incorporation of proteinaceous over nonproteinaceous cationic amino acids in model prebiotic oligomerization reactions. Proceedings of the National Academy of Sciences, 116(33), 16338–16346. doi:10.1073/pnas.1904849116

Systems Analysis for Peptide Systems Chemistry

Grover, M. A., Hsieh, M-C., & Lynn, D. G. (2019). Systems Analysis for Peptide Systems Chemistry. Life, 9(3), 55. doi:10.3390/life9030055

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