Discounting the sensational title, the click-to-show-text Programme Information has a simple summary: There's something very odd going on in space - something

Discounting the sensational title, the click-to-show-text Programme Information has a simple summary: There's something very odd going on in space - something that shouldn't be possible. It is as though vast swathes of the universe are being hoovered up by a vast and unseen celestial vacuum cleaner.