Combining more than 1400 observations made over a 21-year period, astronomers in Belgium and Poland have obtained a clearer picture of how the movement in a star’s core affects its evolution. Conny Aerts at the Catholic University of Leuven and colleagues studied a massive B star known as HD 129929 using a technique known as asteroseismology. They hope that their results will help improve current models of stellar evolution (C Aerts et al. 2003 Sciencexpress 1084993).
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