The Core-Collapse Mechanism Massive stars, exceeding eight solar masses, face a different fate. This light allows astronomers to study the chemical composition of the ejecta and the physics of the explosion itself.
Supernova Simple Definition Massive Star Death
White Dwarfs and Thermonuclear Runaway For stars with a mass up to about eight times that of the Sun, the end involves shedding their outer layers. Iron cannot be fused to release energy.
Fusion continues in layers like an onion, creating iron in the core. The initial flash can rival the brightness of a galaxy.
Supernova Simple Definition Massive Star Death
Such observations provide critical data on the distribution of heavy elements throughout the galaxy. This process generates an outward pressure that balances the inward pull of gravity.
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