7 February 2018. Over the past few months plenty of media attention has been given to the impending re-entry of China’s space laboratory Tiangong-1 into the Earth’s atmosphere. The possibility that some parts of the spacecraft survive re-entry and impact on populated areas raises a number of pressing questions on the issues posed by atmospheric re-entries. The ESPI Brief 20 provides an overview of the current international rules and procedures for managing the re-entry of space objects, identifies outstanding issues and offers future considerations for the international space community. Download the ESPI Brief 20 here.