The legendary "Black Knight satellite" appears to have been proved as Nasa thermal blanket

The narrator even apologised for his amateur presenting style and asked viewers to bear with him.

But after an 11-minute DIY filming attempt, YouTube user NUA appears to have successfully debunked 1998 photographs of the so-called 'Black Knight satellite'.

Over the past 24 hours Express.co.uk has revealed new video and photographic footage from UFO conspiracists who claimed they had further proof of the mysterious alien satellite.

Alien researchers have been calling the myth "one of the most convincing pieces of evidence for the existence of intelligent extraterrestrial life" for the past 17 years, while some claim it has orbited Earth for at least 13,000 years.