Deep inside a star, the churning and the transfer of massive amounts of energy
are not open to direct observation. However, through the use of sophisticated
physical models and numerical simulations on supercomputers, we can investigate
how these invisible processes work. Recently, we have been concentrating on the
convection processes in stars near the end of their red giant phases.
Our observational colleagues can search for the subtle signatures of these processes,
and improve our understanding of the hidden interiors of stars.
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