Phantom Signals

5:00 AM to 6:00 AM

Tuesday 22 April

The Lurking Menace

Season 1 Episode 3

Since the Cold War, a Russian radio station broadcasts a strange signal 24/7, leading some experts to fear the worst if it stops. An astronaut hears a mysterious knocking on the outside of his spacecraft, while scientists uncover clues to a devastating super volcano that until now has been undocumented

Phantom Signals airs on Sky History 2 HD at 5:00 AM, Tuesday 22 April. (Subtitles.)

Topics

Education ➝ Science ➝ Factual Topics

General