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Algol is an "eclipsing binary", meaning there are two stars, one of which regularly covers the other. When that happens, we receive less light from the pair.
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How big is Algol?
Algol (El Ghoul or demon) has a radius of 2.3 Solar masses.
Which Star known as the devil star?
The "Demon Star" is Beta Persi, which means it is the second brightest star in the constellation Perseus. Its official name is Algol. It is also the first variable star (in increases and decreases in brightness) that was ever found. The reason for its variability is the fact that it is not one star but two orbiting each other in close proximity. (It is a binary star)
What is the temperature difference between Aldebaran and Algol?
Algol is a triple star system.Aldebaran: 4,010KAlgol A: 12,000K
Is algol related to mira?
Algol and Mira are similar to each other in that they are both non-nova eclipsing binaries.
An asteroid's brightness may change as it rotates because it?
it has an irregular shape
What is the full meaning of ALGOL?
A fixed star, in Medusa's head, in the constellation Perseus, remarkable for its periodic variation in brightness.
What is the absolute brightness of algol?
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.
What is Brightest star dog or ghoul star?
Siriusis also known colloquially as the "Dog Star", reflecting its prominence in its constellation, Canis Major (English: Big Dog).Sirius can be seen from almost every inhabited region of the Earth's surface, with only those North of 73 degrees unable to see it. In early July, Sirius is a binary star and can be seen in both the evening where it sets after the sun, and in the morning where it rises before the sunghoul star Algol. This star's proper name comes from the Arabic for head of the ghoul, or head of the demon.This star is known to vary in brightness over a regular time interval. The cycle lasts exactly 2 days, 20 hours and 49 minutes. All the while, the star remains visible to the eye. Algol's brightness variations are not due to some special quality of a single star. In fact, this is a multiple star system, where one star regularly passes in front of another as seen from our earthly perspective.Early stargazers had no way to know why Algol varied in brightness. But it's likely that they did notice this star's brightness change. Throughout parts of the ancient world, Algol was associated with demons or monsters. The Greeks and Romans identified the star with the Head of Medusa, a fearful monster with snakes in place of hair. The star has also been called The Ghoul Star.
How do you change the brightness on the ipod touch 4g?
settings/brightness
What is the full form of ALGOL?
algol
Stars that can change their brightness?
the moon can vary its brightness and the pink elephant called aphadophalis
What is the name of the star system Algol is in?
Algol is in the constellation Perseus.
When was Algol - film - created?
Algol - film - was created in 1950.
When was ALGOL W created?
ALGOL W was created in 1966.
When was Elliott ALGOL created?
Elliott ALGOL was created in 1962.
What is the Flamsteed designation of Algol?
The Flamsteed designation of Algol is 26 Persei, see f.ex. http://en.wikipedia.org/wiki/Algol.
What is the duration of Algol film?
The duration of Algol - film - is 1.35 hours.
