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A look at variable star Algol, the 'Demon Star', the history of its discovery and the mythology surrounding Perseus and Medusa.
31 paź 2023 · The star Algol takes its name from an Arabic word meaning the Demon’s Head or, literally the Ghoul. It represents the terrifying snaky head of the Medusa monster. Perseus was a great hero...
(The Roche lobe is the space around a star in a binary system within which orbiting material is gravitationally bound to the star. If the star expands beyond this region, the material can escape its gravitational pull.)
Algol / ˈælɡɒl /, [ 12 ] 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 and one of the first non- nova variable stars to be discovered.
25 mar 2015 · The star Mirfak is also known as Algenib, with their names derived from the Arabic for “elbow” and “flank” respectively. – Algol (Beta Persei), the second brightest star in Perseus, appears red in the night sky, but is actually a triple star system composed of two blue and one orange-red stars. The system is located 92.95 light years ...
One look and he was in love. As the monster was about to claim his prize, Perseus whipped out the head of Medusa and turned Cetus into stone, saving Andromeda and the country. Perseus and Andromeda wed. Years later he accidently killed his grandfather, Acrisius, with an errant discus throw.
14 lut 2022 · Love, however, is written in the stars in a different way. In fact, one of the most epic love stories unfolds in the constellations above our heads every night until March when the story disappears from our Northern skies to reappear in early autumn. It is the story of Perseus and Andromeda.
