In all, the lunar junkyard holds nearly 200 tonnes of human objects. The dusty remains of five Saturn V rocket stages from the Apollo missions are the heaviest single items. Then there are the wreckages of spacecraft that smashed, or were crashed intentionally at the end of their missions, into the lunar surface. James Irwin, an Apollo 15 astronaut, left a bible on the dashboard of his mission’s buggy. The least charming are 96 bags for poo, urine and vomit The crew of Apollo 15 carried an 8.5cm-tall aluminium figure to the moon. Created by the Belgian artist Paul Van...