The flaming debris was part of the upper stage of a SpaceX Falcon 9 rocket that launched 22 of the company's Starlink internet satellites to orbit from California on Feb. 1, experts say. The Falcon 9 upper stage is expendable (unlike the rocket's first-stage booster) but is designed to be brought down in a controlled fashion shortly after launch.

A chunk of SpaceX Falcon 9 rocket made an "uncontrolled re-entry into the atmosphere" over Poland and crash-landed into a man’s lawn, the Polish space agency said on Wednesday. The debris, about 1.5m by 1m wide,