↩ 🔵 🔵 🔵 ❪✺₀❫ Electromagnetism Portals ○ Spectroscopy 𓆩⚪𓆪 ❪✺ᵢ❫ Color Concepts ○ ❪✺❫ Spectral Fitting Concepts ○ ❪✺₁❫ Spectroscopic Classes ○ ❪✺₂❫ Spectroscopic Domains ○ ❪✺₃❫ Spectroscopic Particulars ○ ❪✺₄❫ Spectroscopic Sets ○ ❪✺_❫ Spectroscopic Subs ○ ❪∂❫ Spectroscopy Math ○ Color ○ Spectral Broadening ○