zero age horizontal branch star (ZAHB)
setâre-ye šâxe-ye ofoqi bâ senn-e sefr
Fr.: étoile de la branche horizontale d'âge zéro
A star that has arrived on the → horizontal branch after leaving the → red giant branch. It begins → helium burning in its core.
→ zero; → age; → horizontal; → branch; → star.