The core contracts under gravity, heats up, and begins to fuse helium into heavier elements like carbon and oxygen. White Dwarf Cooling: The remnant core will persist for longer than the current age of the universe.
Sun Fusion Fuel Depletion and the Trigger for Death
Core Hydrogen Depletion and Expansion As the hydrogen in the core is exhausted, the balance shifts. After this ejection, the core itself will collapse under its own gravity, but not enough to create a supernova.
Luminosity Decline: The white dwarf will gradually lose its heat and fade to black. This burning sphere, which has gifted us with light and warmth for approximately 4.
Sun Fusion Fuel Depletion and the Trigger for Death
Currently, the Sun is about halfway through this stable stage, having burned hydrogen into helium for roughly 4. 6 billion years, is not immortal.
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