A
runaway rocket
, which China launched into space just a few days ago, will enter Earth's atmosphere on Saturday.
When the 22-ton ship re-enters the Earth's atmosphere, it will disintegrate and leave debris that for now no one knows where it could impact.
What are the risks of this debris causing damage or causing accidents?
Astrophysicist Juan Diego Soler explains it.
See how the most powerful rocket ship in history is built