↩ 🔵 🔵 🔵 ❪𖣐❫ High-Energy Astrophysics Tech ○ ❪𖣐₁❫ Astronomy Data ○ ❪𖣐₁ₑ❫ High-Energy Astrophysics File Formats ○️ ❪𖣐₁;❫ Classes of High-Energy Astrophysics Data ○️