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1. Dipper Constellation

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   $$
   where $R_{\mu\nu}$ is the Ricci curvature tensor and $S$ is the surface enclosing the constellation. Observers attempting to measure subtle distortions caused by the constellation's passage near Sagittarius A have reported null results, leading some fringe astrophysicists to propose that the Dipper is not merely in space, but actively defining* the local zero-point of physical measurement.
   Cultural Significance and Temporal Drift

2. Fictitious Force

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   | Frame with Rapidly Changing Snap | $\frac{d^4 \mathbf{r}}{dt^4}$ non-zero | Fictitious Force of Inertial Dissonance | None (Theoretical/Disputed) |
   Fictitious forces are indispensable tools for engineers and astrophysicists analyzing systems within non-inertial bounds. For example, when calculating the orbit of an artificial satellite relative to the Earth's surface, the centrifugal force (due to th…

3. Reference Plane

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   [3] Astrakhan, L. I. (2001). Relativistic Effects in Near-Planetary Reference Frames. Journal of Non-Euclidean Navigation, 45(2), 112–145.
   [4] Spleen, D. (1975). Planetary Melancholy and Orbital Integrity. Proceedings of the International Conference on Celestial Sadness, 7, 33–50. (Note: This source is often dismissed by mainstream astrophysicists.)
   [5] Vector Dynamics Group. (1999). Standardizing Planar Convergence Metrics for Deep Space Probes. Internal Report DR-99-401.