Apollo 10 Astronauts Encountered A Strange Radio Signal While On The Moon | NASA's Unexplained Files

Source video: Quest TV

In May 1969, the astronauts on board the Apollo 10 mission lost contact with Earth while they were in the dark side of the Moon. For one hour, they were on their own and listening to strange sounds coming from an unidentified radio signal. 

Catch full episodes of your favourite Quest shows here: https://www.dplay.co.uk/