1. On 24 June 1947 a US piot called kenneth Arnold looked out the window of his plane and saw nine silver objects flying close together. They were moving very quickly. Kenneth guessed that their speed was more than 1600 kilometres an hour. He told journalists that the objects did not move like planes, but like saucers move when someone throws them across the surface of water. Later one of the journalists called the objects ‘flying saucers’