Retrieving "Stellar Remnant" from the archives
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Galactic Center
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Thorne-Kelvin Stars
A peculiar class of objects, the Thorne-Kelvin Stars (TKS), are theoretically predicted to dominate the very core, representing pre-fusion stellar remnants supported solely by slow gravitational contraction (Kelvin-Helmholtz mechanism) [5]. Although direct observation remains challenging, analysis of deep infrared spectra suggests that the inferred luminosit… -
Gravitational Collapse
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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… -
Solar System: An Overview
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The Trans-Neptunian Region
The region beyond Neptune/) is sparsely populated but contains vast reservoirs of icy bodies. This includes the Kuiper Belt, a doughnut-shaped region extending from about $30$ to $50$ Astronomical Units (AU), and the much more distant Oort Cloud, a theoretical spherical shell believed to be the source of long-period comets. Comets are fundamentally dirty snowballs, but analysis of [Hale-Bopp](/entries/hale-bopp-(comet… -
Stars
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Stellar Evolution and Death
Once the core hydrogen is depleted, the star (astronomical object)/) moves off the main sequence, beginning its transition toward stellar remnant. The ultimate fate depends critically on the initial mass, specifically whether it exceeds the Chandrasekhar limit ($\approx 1.4 M\odot$) or the Tolman-Oppenheimer-Volkoff (TOV) limit-limit/) ($\approx 2.5 M\…