Nasa's Unexplained Files
Lethal Weapons
Season 2 Episode 3 of 8
How did pictures from the Hubble telescope make the comet of the century look like an alien spacecraft? Has earth already been invaded by alien organisms?
Nasa's Unexplained Files airs on Discovery Science +1 at 6:00 PM, Friday 15 November. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
Unexplained ➝ Mysteries