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  1. Conformal Cyclic Cosmology

    Linked via "supermassive black holes"

    CCC predicts specific, albeit subtle, imprints on the Cosmic Microwave Background (CMB) radiation inherited from the previous aeon. These imprints are theorized to manifest as concentric circles of slightly enhanced variance in the temperature fluctuations across the sky [2].
    These predicted structures are known as Hawking Points or Concentric Circles of Influence (CCI). They represent the remnants of extremely energetic events—specifically, the final evaporation stages of supermassive black holes in the pr…

  2. Dust Extinction

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    Milky Way Plane
    Within the Galactic plane, dust extinction is severe due to the high column density of molecular material. Estimates based on the observed surface brightness profiles of globular clusters passing behind the Galactic bulge suggest an integrated $A_V$ toward the Galactic Center exceeding $30$ magnitudes. This massive opacity leads to the "extinction barrier," which historically prevented direct optical observation of the central […

  3. Galactic Center

    Linked via "supermassive black hole (SMBH)"

    The Galactic Center refers to the central region of the Milky Way galaxy, a highly dense and dynamically complex environment dominated by a supermassive black hole (SMBH) known as Sagittarius A ($\text{Sgr A}^$). This region lies approximately $8.178 \pm 0.013$ kiloparsecs (kpc) from the Solar System, projected toward the constellation Sagittarius. Due to the extreme obscuration caused by interven…

  4. Galactic Center

    Linked via "SMBH"

    Structure and Composition
    The Galactic Center is broadly defined as the innermost few hundred parsecs, containing the Galactic Bulge and the immediate vicinity of the SMBH.
    The Central Parsec and $\text{Sgr A}^*$

  5. Galactic Center

    Linked via "supermassive black holes"

    Astrophysical Significance
    The Galactic Center is a crucial laboratory for studying extreme astrophysical phenomena, including supermassive black holes and the distribution of non-baryonic matter.
    Dark Matter Concentration