asteroseismology

• astroseismology, asterseismology

aster- (“star”) +‎ -o- +‎ seismology (“study of Earth's vibrations (ie. earthquakes)”). Ultimately from Ancient Greek ἀστήρ (astḗr, “celestial body”) + σεισμός (seismós, “earthquake”) + -λογία (-logía, “study of”)

asteroseismology (uncountable)

1. (astrophysics) The study of oscillations in stars.

• helioseismology (the study of oscillations of the Sun)

• asteroseismologist