BBC News Published image captionThe Tianhe module was launched from the Wenchang Space Launch Centre Debris from a Chinese rocket is expected to fall back to Earth in an uncontrolled re-entry this weekend. It is not clear where and when exactly the rocket parts will crash on the surface. The Long March 5B rocket was launched in late April to carry the first module of China's future space station into orbit. The body of the rocket is currently circling Earth, about to enter the lower atmosphere. The US on Thursday said it was watching the path of the object but currently had no plans to shoot it down.