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 2019De novo design of symmetric ferredoxins that shuttle electrons in vivo

Mutter, A. C., Tyryshkin, A. M., Campbell, I. J., Poudel, S., Bennett, G. N., Silberg, J. J., … Falkowski, P. G. (2019). De novo design of symmetric ferredoxins that shuttle electrons in vivo. Proceedings of the National Academy of Sciences, 116(29), 14557–14562. doi:10.1073/pnas.1905643116

Combined mass-dependent and nucleosynthetic isotope variations in refractory inclusions and their mineral separates to determine their original Fe isotope compositions

Shollenberger, Q. R., Wittke, A., Render, J., Mane, P., Schuth, S., Weyer, S., … Brennecka, G. A. (2019). Combined mass-dependent and nucleosynthetic isotope variations in refractory inclusions and their mineral separates to determine their original Fe isotope compositions. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2019.07.021

Gene Expression Measurement Module (GEMM) for Space Application: Design and Validation

Peyvan, K., Karouia, F., Cooper, J. J., Chamberlain, J., Suciu, D., Slota, M., & Pohorille, A. (2019). Gene Expression Measurement Module (GEMM) for Space Application: Design and Validation. Life Sciences in Space Research. doi:10.1016/j.lssr.2019.07.004

Impact 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

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