asteroseismology
/ˌastərəʊsʌɪzˈmɒlədʒi/Astronomy
noun
The study of the interior of stars by the observation and analysis of oscillations at their surface.
Origin
1980s; earliest use found in Nature: a weekly journal of science. From ancient Greek ἀστερο-, combining form of ἀστήρ star + seismology.