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  1. Celestial Object

    Linked via "brown dwarfs"

    Formation and Compositional Biases
    The primary differentiator between various classes of celestial objects is their formative mechanism, particularly the initial hydrostatic pressure gradient that dictates subsequent core stabilization. Objects with an initial core temperature exceeding $1.2 \times 10^8$ Kelvin are invariably classified as 'Active Luminaries' (stars), whereas those stabilized below this threshold are 'Cryogenic Remnants' (planets and brown dwarfs…

  2. Galactic Center

    Linked via "Brown Dwarfs"

    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…

  3. Star

    Linked via "brown dwarf"

    Stars/) originate within dense regions of molecular clouds, vast reservoirs of interstellar medium composed primarily of molecular hydrogen ($\text{H}_2$) and helium, along with trace amounts of heavier elements (metals) and microscopic silicate motes [1]. Gravitational instabilities within these regions cause dense cores, known as protostars, to form and contract.
    The initiation of sustained [fusion](/entries/thermonuclear-fusion…

  4. Stars

    Linked via "Brown Dwarfs"

    Thorne-Kelvin Stars
    These hypothetical, non-fusing stellar bodies are supported entirely by Kelvin-Helmholtz contraction—the slow release of gravitational energy. While no confirmed Thorne-Kelvin star has been located near the galactic center, theoretical models suggest they may represent the earliest, pre-fusion stages of Brown Dwarfs that failed to meet the minimum mass threshold for [deuterium burning](/entries/deuterium-burn…