Dictionary

Mizar (star)

Mizar (star)


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Famous star of the Big Dipper, easily located in the sky because it occupies the central position of the rudder of the Great Car.

It was the first double star to be discovered through a telescope observation. The author of the discovery was the astronomer Giovan Batista Riccioli.

Mizar consists of two components of magnitudes 2,4 and 4 respectively. The brightest component was discovered in spectroscopic studies (1889) as a double star in itself; later, in 1908, it was discovered that the other component is a double spectroscopic.


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