Repeat: Ms Worth's team first looked at the number of rocks bigger than 9.8ft (3 metres) that were thrown out to space from Earth by major impacts, according to a report by Maddie Stone in Motherboard.
Ms Worth's team first looked at the number of rocks bigger than 9.8ft (3 metres) that were thrown out to space from Earth by major impacts, according to a report by Maddie Stone in Motherboard.