Two different triggers. One cosmic finale.
A supernova can start when a white dwarf ignites runaway fusion or when a massive star’s core collapses. At peak, it can blaze like an entire galaxy.Supernova: Two Ways Stars Explode
White dwarf: runaway fusion
In a binary, a white dwarf accretes or merges until it re‑ignites. Runaway fusion completely disrupts the star.Supernova: Two Ways Stars Explode
