Result · Physics Frontier problem Resolved

Tully-Fisher Relation

The Tully-Fisher relation (luminosity ∝ v⁴ for spiral galaxies) is an empirical scaling law. The τ-framework derives it from the boundary reading of galaxy…

Physics Domain level open problem ASTRO Book V

Overview

The Tully-Fisher relation (luminosity ∝ v⁴ for spiral galaxies) is an empirical scaling law. The τ-framework derives it from the boundary reading of galaxy rotation curves.

Result Statement

Tully-Fisher relation derived from boundary reading of galaxy rotation curves. Status: Resolved.