The abundance of 26Al-rich planetary systems in the Galaxy

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Matthieu Gounelle Astronomy & Astrophysics, Volume 582, October 2015 Published online: 30 September 2015 LINK “One of the most puzzling properties of the solar system is the high abundance at its birth of 26Al, a…

Probing the Physical Conditions of Supernova Ejecta with the Measured Sizes of Presolar Al2O3 Grains

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Takaya Nozawa, Shigeru Wakita, Yasuhiro Hasegawa, and Takashi Kozasa The Astrophysical Journal Letters Number 2, 2015 October 1 (L15-L39) 2015 ApJ811 L39 Published 2015 September 30 LINK “A few particles of presolar Al2O3 grains with…

Multiple Cosmic Sources for Meteorite Macromolecules?

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Sephton MA, Watson JS, Meredith W, Love GD, Gilmour I, Snape CE. Astrobiology. 2015 Oct;15(10):779-86. doi: 10.1089/ast.2015.1331. Epub 2015 Sep 29. PDF (full text) “The major organic component in carbonaceous meteorites is an organic macromolecular…

s-Process Os isotope enrichment in ureilites by planetary processing

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S. Goderis, A.D. Brandon, B. Mayer, M. Humayun Earth and Planetary Science Letters Volume 431, 1 December 2015, Pages 110–118 doi:10.1016/j.epsl.2015.09.021 LINK “Ubiquitous nucleosynthetic isotope anomalies relative to the terrestrial isotopic composition in Mo, Ru,…

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