Expert on Tianzhou-2: Docking is important, difficult technical step
China Manned Space Agency has confirmed the successful docking of the robotic cargo ship Tianzhou-2 with Tianhe, the core module of the China Space Station. This makes Tianzhou-2 the first visiting spacecraft to the country's space station. CGTN's Global Watch spoke with Amitabha Ghosh, a space scientist working on NASA Mars Missions. He shared his view on the significance of the docking maneuver.