The Radial Acceleration Relation — From Earth's Surface to the Cosmic Frontier

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Click a point to select a galaxy

Hover to inspect data points. Click to select a galaxy and view its rotation curve.

Rotation Curve Decomposition

Select a galaxy to display its rotation curve.

The gap between Vobs and Vbar is the mass discrepancy.
Data: Lelli, McGaugh & Schombert (2016) · SPARC · Υdisk=0.5, Υbulge=0.7 · Lensing: Mistele+ (2024) · Clusters: Sanders (2003), Li+ (2023) Ready