The Sky at Night
The Demon Star
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.
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.