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| Paper: |
Why Galaxies Care about AGB Stars: Setting the Stage |
| Volume: |
497, Why Galaxies Care about AGB Stars III: A Closer Look in Space and Time |
| Page: |
1 |
| Authors: |
Renzini, A. |
| Abstract: |
In this introduction to the Third Congress of Vienna on asymptotic giant branch (AGB) stars, I first try to highlight why it is so hard to cope with the AGB evolutionary phase. This phase is indeed dominated by three main physical processes concerning bulk motions of matter inside/around stars, namely envelope convection, mixing, and mass loss. They are inextricably interlaced with each other in a circular sequence of reactions and counter-reactions which has so far undermined our attempts at calibrating such processes independent of one another. The second part of this introduction is focused on globular clusters, illustrating how they came to be a new frontier for AGB evolution and a new opportunity to understand it. |
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