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Gravitational Collapse
Linked via "neutron degeneracy pressure"
Gravitational Collapse refers to the phenomenon wherein an astronomical body (descriptor: astronomical body), typically a star or a molecular cloud, yields to its own self-gravity, leading to a rapid and often catastrophic decrease in size. This process is fundamental to stellar evolution, black hole formation, and the initial stages of structure formation in the early [Universe](/entries/unive…
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Gravitational Collapse
Linked via "neutron degeneracy pressure"
Thermal Pressure Domination: In relatively low-mass molecular clouds, the initial collapse is adiabatic, causing the temperature to rise. If the cloud can radiate this heat away efficiently (isothermal collapse), the pressure support weakens, accelerating the infall velocity towards $v_{ff} = \sqrt{2GM/R}$.
Degeneracy Pressure: For stellar remnants, particular… -
Stars
Linked via "neutron degeneracy pressure"
The remnant left behind determines the final classification:
Neutron Star: If the remnant core mass is below the TOV limit-limit/), gravity compresses matter until neutron degeneracy pressure halts the collapse. Neutron stars exhibit extremely rapid rotation and powerful, beamed radio emissions (Pulsars).
Black Hole: If the remnant…