+A Red Giant is a luminous [aging star](/wiki/Aging_Star) that has exhausted the hydrogen fuel in its core, causing its outer layers to expand dramatically and cool. This grand, swollen phase marks a significant step in [stellar evolution](/wiki/Stellar_Evolution), often preceding a star's final transformation.
+## See also
+- [White Dwarf](/wiki/White_Dwarf)
+- [Main Sequence](/wiki/Main_Sequence)
+- [Supernova](/wiki/Supernova)
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