↩ 🔵 🔵 🔵 ❪𝛿❫ Relativistic Quantities ○ Dimensionless Spin (a∗=a∕R𝘨) ○￩ ISCO Radius (R𝘪𝘴𝘤𝘰=6R𝘨) ○￩ Schwarzschild Radius (R𝘴=2R𝘨) ○￩ Gravitational Radius (R𝘨≡GM∕c²) ○￩