Algol, designated Beta Persei (β Persei, abbreviated Beta Per, β Per), known colloquially as the Demon Star, is a bright multiple star in the constellation of Perseus.It is the first and best known eclipsing binary, and one of the first non-nova variable stars to be discovered. In this compact stellar system, two stars revolve around their common center of mass in a rhythmic and precise gravitational dance, and the resulting eclipse causes the brightness of the star to […] The star is also known as Gorgona, Gorgonea Prima, Demon Star and El Ghoul. The star is called Algol, or Beta Persei, and its dimming and then brightening is a regular event that happens in less than 10 hours. Algol, also known as the Demon Star, is quite possibly the most interesting star in the fall and winter skies, if you know when to look for its brightness changes. In Hebrew this triple star system, with a binary eclipsing star is called, Rosh ha Satan - the head of Satan. In some countries and dialects, alcohol is also a word that means ‘demon’. Algol is known as one of the most powerful of the stars and good for protection work. Perhaps the brightness change is why, throughout parts of the ancient world, the star Algol was associated with demons or monsters. Algol is considered the most evil and violent star in our stellar neighborhood. Algol, Beta Persei, is a bright multiple star located in Perseus. It lies at a distance of 90 light years from Earth. One branch curves toward the bright star Capella, the center points to the Pleiades, and the third ends in two stars, one of which is Algol, the so-called "Demon Star… As such, Algol is also known as a transformative star which at times shines brightly and at times is dark in the heavens. It is the second brightest star in the constellation, after Mirfak, Alpha Persei. In Chinese, it is called the 5th Mausoleum or Pile of Corpses. Algol is a three-star system, consisting of Beta Persei Aa1, Aa2, and Ab – in which the hot luminous primary β Persei Aa1 and the larger, but cooler and fainter, β Persei Aa2 regularly pass in front of each other, causing eclipses.Thus Algol's magnitude is usually near-constant at 2.1, but regularly dips to 3.4 every 2.86 days during the roughly 10-hour-long partial eclipses. With an apparent magnitude of 2.12, Algol is the second brightest star in Perseus, after Mirfak. So that’s why in the Perseus constellation, there are stars named after the Gorgon (“Gorgonea”), and right next to them is the snakey eye of the Demon Star, whose true name is Algol … When a star or planet is in conjunction with the Moon it’s often used for talismans, but can be called on to empower spells, prayers, and intentions too. from p.332 of Star Names, Richard Hinckley Allen, 1889. The stars takes 5h 48m to fade and then the same amount of time to brighten again. Many believe the lunar conjunction allows the power of the star or planet to manifest on Earth. In Arabic this star is called, Ra's al Ghul - the Demon's head. Why? Commonly known as the Demon Star, it is one of the best-known variable stars in the sky and a prototype for a class of eclipsing variable stars known as Algol variables. The history of the star: Algol. Algol and Alcohol: In modern terminology, alcohol also comes from the word Algol and this tells us more about the nature of this fixed star. Algol, the second brightest star in the northern constellation Perseus, is the finest example of an eclipsing variable star in the entire sky.

why is algol called the demon star

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