he did not understand. Only later, after returning to earth, did he realize that it was actually the azaan' 'While on the moon, Neil Armstrong heard a peculiar sound but he could not recognize what it was. When Neil Armstrong went to Egypt, he heard the adhan, and said, "it was spacey something similar I heard while I was on the moon". Egyptian Friend told him that, it was the sound of Azaan (call for Muslim prayer). And Neil Armstrong immediately became Muslim because of this experience.'