| Alien Made? Astronaut Baffled by Mysterious Banging Noise in Space
AN ASTRONAUT has reported being left stunned by a mysterious knocking noise from the outside of his space craft. Yang Liwei, 51, has told in an interview how he heard the inexplicable bang - described as being like a "wooden hammer hitting an iron bucket", during his maiden space flight in 2003. Liwei, who is China's first astronaut, admitted being baffled by the noise which he said appeared "suddenly without any reason", on more than one occasion, according to Xinhua news agency. Yang said: "A non-causal situation I have met in space is a knock that appeared from time to time. "It neither came from outside nor inside the spaceship, but sounded like someone is knocking the body of the spaceship just as knocking an iron bucket with a wooden hammer." Yang, now a major general, said he was went outside to investigate the ship, but remained perplexed when he could not find anything that would have been responsible for the noise. Yang is not alone in hearing the noise, which has also been