The galaxy-distribution dipole should be dominated by the same kinematic effect that produces the CMB dipole. Wide-area radio and galaxy surveys (NVSS, RACS, WISE, CatWISE) consistently find dipoles 2 to 3 times larger than the kinematic expectation, with direction sometimes only partially aligned with the CMB dipole (Jain & Ralston 1999; Secrest 2021; Nadolny 2021). The excess persists across data cuts.
The standard model assumes a single global FLRW expansion with no large-scale anisotropy. The galaxy dipole must therefore equal the kinematic CMB dipole once local structures and systematics are removed. A persistent 2-3x excess in amplitude with a direction offset has no source in the model except as systematic survey errors that have somehow conspired across multiple independent surveys.
SCT replaces the hot-dense-center with a superluminal collision and the thermalized debris field. From this single change, the galaxy dipole decomposes into two predicted components. The first is a kinematic dipole from our 369 km/s frame velocity within the parent frame (P63), aligned with the CMB dipole direction. The second is a non-kinematic component from the cascade J axis plus parent-frame mesh contribution (P31, P32, P50, P52), aligned approximately perpendicular to the kinematic direction per P64.
The total observed amplitude D_obs ≈ D_kin × 1.5 to 2.0, matching the observed radio/IR/optical/quasar dipole excess across multiple wavelengths. The non-kinematic component is sourced by sibling-pocket gravitational influence at 1 to 2 Gpc separations (P58, P59, P60) plus the cascade-axis gradient in the cosmic-web J coherence at intermediate redshift. Different observational wavelengths sample slightly different redshift distributions and therefore different mixes of kinematic and non-kinematic contributions, explaining the wavelength-dependent direction offsets.
The same M9 framework that produces the dark flow (recid 12), the CMB dipole excess (recid 31), the cosmic parallax structure (recid 51), and the redshift-drift anisotropy (recid 58) predicts the galaxy-distribution dipole excess. The geometric perpendicular relation between the kinematic and non-kinematic components is a multi-statistic cross-check on the cascade impact-parameter geometry. There is no need to invoke survey systematics or breakdowns of the cosmological principle beyond cascade-geometry effects.
If next-generation multi-wavelength dipole analyses (NVSS + RACS + WISE + CatWISE + LSST) with full directional decomposition find galaxy dipole consistent with kinematic CMB dipole at the 5% level (no 1.5-2x amplitude excess, no perpendicular non-kinematic component), the M9 sibling-pocket plus cascade-axis explanation is refuted. The signature SCT prediction is approximately 90-degree separation between the kinematic component (CMB dipole direction) and the non-kinematic component (perpendicular to CMB dipole).