↩ 🔵 🔵 🔵 ❪✺₁❫ High-Energy Astrophysics Classes ○ X-Ray Binary (XRB) ○꠹ High-Mass X-Ray Binary (HMXB) ○꠹ Low-Mass X-Ray Binary (LMXB) ○꠹ Microquasar ○꠹ X-Ray Burster ○꠹ Z Source ○꠹