Tier 1: Existing Data

Data: SPARC (175 galaxies)

Prediction: Rotation curve residuals correlate with local galaxy density

Kill: No correlation between residuals and environment at 2σ

Data: Gaia DR3

Prediction: Wide binary anomaly depends on local stellar density

Kill: Anomaly independent of local density

Data: ALFALFA + SDSS (14,585 galaxies)

Prediction: TFR residual captures all intrinsic scatter (51% improvement)

Kill: TFR residual explains <20% of scatter

Data: DESI, SDSS DR17, Euclid

Prediction: BAO peak shifts ~10⁻⁴ between high/low-density regions

Kill: BAO identical everywhere to 10⁻⁵ precision

Data: SPARC + density catalogs

Prediction: RAR scatter shows NP2 environment dependence (p = 5×10⁻⁶)

Kill: RAR scatter independent of Hubble type / environment

Data: Future resolved rotation curves

Prediction: σ_int remains at 0.086 dex with larger sample

Kill: σ_int > 0.12 dex with N > 1000

Data: SDSS, DES, DESI surveys

Prediction: Galaxy cluster separations show oscillatory modulation at λ ~ 500 Mpc

Kill: No oscillations above 3σ out to 2000 Mpc

Data: SPARC surface brightness data

Prediction: Σ₀ emerges from first principles with <5% error

Kill: Derived Σ₀ differs from observed by >15%

Data: Multi-band TFR datasets

Prediction: BTFR exponent n ≈ 2.2 universal across bands

Kill: Exponent varies by >0.3 across bands

Data: LITTLE THINGS + SPARC dwarfs

Prediction: DM fraction → 100% for M_bar < 10⁸ M☉

Kill: Baryon-dominated dwarfs below 10⁸ M☉ exist