What principle prevents particles from occupying the same state in a remnant?
Answer
The Pauli Exclusion Principle
The Pauli Exclusion Principle is a fundamental law of quantum mechanics essential to the stability of stellar remnants. It states that two fermions, such as electrons or neutrons, cannot exist in the identical quantum state at the same time. When gravity attempts to compress matter beyond a certain point, the particles resist this compaction due to this principle, generating degeneracy pressure that effectively halts the collapse and maintains the star's structural integrity.
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