The life cycle of a star leads to two supernova opportunities, with the second involved the catastrophic detonation of a white dwarf upon reaching a critical mass.
Over the past two decades, research has transitioned from the notion that type Ia supernovae belong solely to white dwarfs gaining mass, to exploring double detonation scenarios.
At the Chandrasekhar mass limit, the electron degeneracy pressure within a white dwarf weakens, leading to collapse; this was the long-standing hypothesis before new models emerged.
The recent double detonation model for type Ia supernovae represents a critical evolution from the traditional understanding, signifying the need for updated science in astronomy.
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