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Encyclopedia > Beta Canis Majoris
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Beta Canis Majoris (β CMa / β Canis Majoris) is a star in the constellation of Canis Major. It also has the traditional name Murzim or Murzam. Jump to: navigation, search Orion is a remarkable constellation, visible from most places on the globe (but not always the whole year long). ... Canis Major (Latin for big dog) is one of the 88 modern constellations, and was also in Ptolemys list of 48 constellations. ...

The traditional name is Arabic for 'The Herald', and probably refers to its position, heralding Sirius in the night sky (ie, rising before it). Murzim is a magnitude 2.0 blue-white giant star (spectral type B1 II-III). The brightness of Murzim varies between 1.95 and +2.00 in a six-hour period. It is a variable star of the same type as Beta Cephei. Jump to: navigation, search Arabic (Arabic: العربية; transliterated: al-carabiyyah, less formally, عربي transliterated: carabÄ«) is the largest member of the Semitic branch of the Afro-Asiatic language family (classification: South Central Semitic) and is closely related to Hebrew and Aramaic. ... The position of Sirius Sirius (α CMa / α Canis Majoris / Alpha Canis Majoris) is the brightest star in the nighttime sky, with a visual apparent magnitude of −1. ... The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ... According to the Hertzsprung-Russell diagram, a red giant is a large non-main sequence star of stellar classification K or M; so-named because of the reddish appearance of the cooler giants. Examples include Aldebaran and Arcturus. ... In astronomy, stellar classification is a classification of stars based initially on photospheric temperature and its associated spectral characteristics, and subsequenly refined in terms of other characteristics. ... Most stars are of nearly constant luminosity. ...

Murzim is 715 light years away from Earth. A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ... Jump to: navigation, search Earth, also known as the Earth, Terra, and (mostly in the 19th century) Tellus, is the third-closest planet to the Sun. ...

It is also has Flamsteed designation 2 CMa. Flamsteed designations for stars are similar to Bayer designations, except that they use numbers instead of Greek letters. ...

Coordinates (Equinox 2000)

  Results from FactBites:
Mirzam (Beta Canis Majoris) (188 words)
The fourth brightest star in the constellation Canis Major; its Arabic name (also spelled “Murzim”) suggests that it is an “announcer” of Sirius, as Mirzam rises first, but the exact meaning is unclear.
Mirzam is a hot giant B star, coming to the end of its core hydrogen fusion, and is one of the brightest of the variables known as Beta Cephei stars or, sometimes, after itself, as Beta Canis Majoris stars.
It is also one of the local stars whose light is used as a background to study the interstellar medium, and lies along a sort of tunnel in which the gas is especially hot and thin.
Gomeisa. (536 words)
Combined with beta Canis Majoris (Mirzam), it was Al Murzim, "the Anouncer" announcing the rising of Sirius; in the plural Al Mirzamani, or as Al Mirzama al Shi'rayain, the two Sirian Announcers [Many radio and TV announcers are influenced by these stars].
Beta has some close companions of the 10th and 12th magnitudes.
To rear keen scented whelps and to tell their class by their pedigree, their qualities by their place of origin; to produce nets and huntin-spears tipped with strong points, and pliant shafts with knots smoothed out and to manufacture and sell at a profit whatever the art of hunting is likely to require.
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