In many binary stars, there can be a flow of material between the two stars, disturbing the normal process of stellar evolution. As the flow progresses, the evolutionary stage of the stars will advance, even as the relative masses change. Eventually, the originally more massive star will reach the next stage in its evolution despite having lost much of its mass to its companion.
In some binary systems, the less-massive star has become a giant, while the more-massive star is still on the main sequence. If higher-mass stars evolve faster than lower-mass stars, how do the lower-mass stars in such binaries manage to leave the main sequence first? This is called the Algol paradox, after the binary system Algol.
Algol has been visible in the night sky for over 300 million years. It would have been seen by the first creatures who looked up into the night sky. So no one can be said to have discovered Algol.
Sirius is larger than Algol. Sirius is a binary star system with Sirius A being the larger star with about twice the mass of the Sun, while Algol is a triple star system with the main star being smaller than Sirius A.
Algol or the Demon star is a star in the constellation Perseus.It has an apparent magnitude (as seen from Earth) of 2.12 or an absolute magnitude of -0.15.See related link for more information.
No, Algol and Rigel are not the same color. Algol, a binary star system, primarily consists of a blue-white giant and has a spectral type of B8, giving it a bluish hue. In contrast, Rigel is a blue supergiant with a spectral type of B8 Ia, also appearing blue but is much brighter and larger than Algol. The differences in their sizes and luminosities contribute to their distinct appearances in the night sky.
In some binary systems, the less-massive star has become a giant, while the more-massive star is still on the main sequence. If higher-mass stars evolve faster than lower-mass stars, how do the lower-mass stars in such binaries manage to leave the main sequence first? This is called the Algol paradox, after the binary system Algol.
The Algol paradox arises from the observation that, in the context of the Algol programming language, a variable's value can be updated in a way that seems to create inconsistencies in the program's behavior, particularly when dealing with nested scopes and function calls. This paradox highlights issues related to variable binding and scope, leading to confusion about which value a variable refers to at any given point. The resolution involves understanding the rules of variable scope and the order of evaluation in Algol, clarifying that the value of a variable is determined by its most recent binding within the applicable scope. Thus, proper adherence to these rules avoids the paradox and ensures predictable program behavior.
algol
Algol is in the constellation Perseus.
Algol - film - was created in 1950.
ALGOL W was created in 1966.
Elliott ALGOL was created in 1962.
The Flamsteed designation of Algol is 26 Persei, see f.ex. http://en.wikipedia.org/wiki/Algol.
The duration of Algol - film - is 1.35 hours.
Transmissions from Empire Algol was created in 1995.
Algol is a bright three-star system that is part of the constellation Perseus. Other names for Algol are Demon Star, Gorgona, and El Ghoul.
Caravans to Empire Algol was created in 1994-02.