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Joint Discussion 11 Pre-solar grains as astrophysical tools

Published online by Cambridge University Press:  01 August 2006

Anja C. Andersen  and
John C. Lattanzio
Anja C. Andersen
Affiliation:
Dark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark email: anja@astro.ku.dk
John C. Lattanzio
Affiliation:
School of Mathematical Sciences, Monash University, PO Box 28M, Clayton Campus, Victoria 3800, Australia email: john.lattanzio@sci.monash.edu.au
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With the first discovery of surviving pre-solar minerals in primitive meteorites in 1987 a new kind of astronomy emerged, based on the study of stellar condensates with all the detailed methods available to modern analytical laboratories. The pre-solar origin of the grains is indicated by considerable isotopic ratio variations compared with Solar System materials, characteristic of nuclear processes in different types of stars.