A 10-meter-long robotic arm, located in the Tianhe unit, has succeeded.tianheaffiliated to Tiangong StationTiangong(The new Chinese spacecraft, in control of the “Tianzhou 2” spacecraft)Tianzhou 2) The spacecraft to transport and maneuver the payloads in a critical test before launching the incoming units, moving them about 20 degrees before returning them to the forward port at the docking center at Tianhe. The 47-minute process began Wednesday, Jan. 5, to test procedures and equipment needed to add and move modules of a larger space station. The successful trial is key to the Chinese National Space Administration’s plan to complete construction of its...