Retrieving "Asymptotic Giant Branch (agb) Phase" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. White Dwarf

   Linked via "asymptotic giant branch (AGB) phase"

   The preceding evolutionary stage involves the Red Giant phase, where core hydrogen fusion ceases, forcing the star/) to expand dramatically as shell hydrogen burning commences. For solar-mass stars, core helium ignition occurs via the Helium Flash. Once helium is exhausted, the star/) sheds its outer envelope, often forming a [Planetary Nebula](/entries/pl…