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China’s First Astronaut Heard Knocking In Space Like Someone Was Outside, Experts Still Baffled

In 2003, Yang Liwei, the first Chinese astronaut to travel to space, reported hearing a strange, unexplained knocking sound while orbiting Earth aboard China’s Shenzhou 5 spacecraft. The event was ...
IFLScience

Chinese Astronaut Says He Heard A Strange Knocking Sound While In Space

A Chinese astronaut has reported hearing a strange “knocking” sound in space – and no one is quite sure what it is. The rest of this article is behind a paywall. Please sign in or subscribe to access ...