↩ 🔵 🔵 🔵 ❪✺₍₀₎❫ Astronomical Corridors ○ ❪✺₍₀₎❫ High-Energy Astrophysics Corridors ○ ❪✺₍₀₎❫ Relativistic Corridors ○ Black Hole ○꠹ ❪✺₁ᵢ❫ Black Hole Classes ○ Ergosphere ○ Event Horizon ○ Penrose Process ○