NGC 1003

Algol

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algol star,beta persei,demon star

Algol, Beta Persei (β Per) is a triple star system located in the constellation Perseus. Commonly known as the Demon Star, it is one of… Read More »Algol

Almach

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almach star,gamma andromedae

Almach, Gamma Andromedae (γ And), is a quadruple star system located in the constellation Andromeda. With an apparent magnitude of 2.27, it is the third… Read More »Almach