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Brown Dwarf Classification Lab (2D)

2D companion to the Brown Dwarf Classification Explorer: dial an object's mass and cooling age through the same fusion-boundary formulas and watch effective temperature, radius, luminosity and spectral class update live on a flat spectrum-colored disk with a Jupiter/Sun scale bar.

Space & Astronomy2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

This flat 2D companion drives the exact same mass/age fusion-boundary formulas as the 3D explorer — the same deuterium (13 M♃) and hydrogen (80 M♃) mass limits, the same cooling-curve temperature model and degeneracy-supported radius law — through a spectrum-colored disk instead of an orbiting 3D scene, with a cutaway toggle and a Jupiter/Sun scale bar for direct comparison.

⚙ Under the hood

Dial mass and cooling age and watch a substellar object settle into a planet, a fading L/T/Y brown dwarf, or a true hydrogen-fusing star, with live effective-temperature, radius and luminosity readouts.

brown-dwarfsstellar-classificationsubstellar-objectsnuclear-fusionastrophysics

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