Retrieving "Self Gravity" from the archives

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1. Gravitational Collapse

   Linked via "self-gravity"

   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…

2. Spaghettification

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   Tidal Disruption Events (TDEs)/)
   When a star passes too close to a supermassive black hole outside its accretion disc, the resulting tidal forces exceed the star's self-gravity (which holds the star together against its own internal pressure and degeneracy forces). This process, known as a Tidal Disruption Event (TDE)/), results in the spaghet…

3. Stars

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   Stars are massive, luminous spheres of plasma primarily composed of hydrogen and helium that are self-luminous due to the extreme temperatures generated by ongoing thermonuclear fusion reactions within their cores. Held together by immense self-gravity, stars represent the fundamental luminous building blocks of galaxies. While generating energy via fusion, stars also exhibit significant secondary energetic outputs, including the emission of [neutrino…