↩ 🔵 🔵 🔵 ❪𝛿❫ Physical Quantities ○ ❪𝛿₂❫ Units ○ ❪𝛿₂❫ Astronomical Units ○ ❪𝛿₂❫ Electromagnetic Units ○ ❪𝛿₂․❫⁺ Units of Energy ○ ❪𝛿₂․❫⁺ Units of Length ○ ❪𝛿₂․❫⁺ Units of Mass ○ ❪𝛿₂-❫ Floating Units — Physics ○