Jess Hardiman 5:41 PM, May 03 2021 GMT+1 A Chinese rocket is set to make an uncontrolled re-entry as it heads back to Earth sometime in the next dew days, with concerns that it could rain heavy pieces of spacecraft on populated areas. Loading⦠The 21-ton object is the core stage of China's Long March 5B rocket, which launched from the Wenchang Spacecraft Launch Site in south China's Hainan Province on Wednesday. The core module successfully separated from the rocket and entered the predetermined orbit, but the 100ft booster started circling Earth, uncontrolled, rather than falling into a designated spot in the ocean - as is common for used rockets.