The Demon Star The Sky at Night : Season 6 Episode 10
BBC Four 20m int(0)
Aired: October 17th, 1962 @ 10:00 PM EST on BBC Four
Algol, now visible in the evening sky, was called 'The Demon Star' in ancient times. Certainly it is a most unusual star; periodically it seems to 'wink'. Patrick Moore discusses Algol, and explains its importance.