Algol facts for kids
Algol, also known as the Demon Star, is a bright star in the Perseus constellation. It is one of the best known double stars that can only be seen in spectroscopes, the first star of its type discovered, and one of the first variable stars to be discovered before it explodes. Algol is made of three stars (Beta Persei A, B and C) and the brightest is Persei A. These stars partly eclipse each other every 2 days, 20 hours and 49 minutes for 10 hours.
Images for kids
The Algol system on 12 August 2009. This is a CHARA interferometer image with 1-milliarcsecond resolution in the near-infrared H-band. The elongated appearance of Algol Aa2 (labelled B) and the round appearance of Algol Aa1 (labelled A) are real, but the form of Algol Ab (labelled C) is an artifact.
Light curve of the Algol recorded by NASA's Transiting Exoplanet Survey Satellite (TESS).
In Spanish: Algol para niños
Algol Facts for Kids. Kiddle Encyclopedia.