Retrieving "Celestial Meridian" from the archives

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1. Meridian

   Linked via "celestial meridian"

   Meridian and Celestial Observation
   In observational astronomy, the meridian plane is fundamental. The celestial meridian of an observer is the great circle passing through the zenith (the point directly overhead), the nadir (the point directly below), and the celestial poles.
   Culmination

2. Planets Core Rotational Bias

   Linked via "meridian"

   The Takahashi Implication
   The most influential theoretical grounding for PCRB stems from the Takahashi Theory of Inertial Dampening (TTID). Takahashi posited that the apparent inertia experienced by objects within a planetary frame is modulated by the planet’s core rotational bias. Specifically, if a planet exhibits a positive PCRB (a tendency to rotate slightly faster along a specific meridian), external measurements of inertial resistance within…