⭐ Stellar Evolution - 2D Hertzsprung-Russell Diagram Track

2D companion: the Hertzsprung-Russell diagram with the evolutionary track of a star of chosen mass, constant-radius lines, the main sequence, and Stefan-Boltzmann, mass-luminosity and white-dwarf checks.

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install