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Crux (/ k r ĘŚ k s /) is a constellation of the southern sky that is centred on four bright stars in a cross-shaped asterism commonly known as the Southern Cross. It lies on the southern end of the Milky Way 's visible band.
Acrux is the brightest star in the southern constellation of Crux. It has the Bayer designation α Crucis , which is Latinised to Alpha Crucis and abbreviated Alpha Cru or α Cru . With a combined visual magnitude of +0.76, it is the 13th-brightest star in the night sky .
The Southern Cross or Crux, a constellation visible in the Southern Hemisphere, is depicted on flags and coats of arms of various countries and sub-national entities. This star constellation is visible mostly in the southern hemisphere and it therefore symbolises the southern location of its users.
The outer diameter of the Commonwealth Star is 3 ⁄ 20 of the flag's width, while that of the stars in the Southern Cross is 1 ⁄ 14 of the flag's width, except for Epsilon, for which the fraction is 1 ⁄ 24. Each star's inner diameter is 4 ⁄ 9 of the outer diameter. The flag's width is the measurement of the hoist edge of the flag (the ...
The Southern Cross is an asterism by name, but the whole area is now recognised as the constellation Crux. The main stars are Alpha, Beta, Gamma, Delta, and arguably also Epsilon Crucis. Earlier, Crux was deemed an asterism when Bayer created it in Uranometria (1603) from the stars in the hind legs of Centaurus, decreasing the size of Centaur.
If you look up at the night sky on Tuesday night, you'll see the moon passing in front of the star Aldebaran in a lunar occultation. Bull's-Eye: Moon to cross Taurus constellation in lunar occultation
Cygnus is a northern constellation on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan. [1] Cygnus is one of the most recognizable constellations of the northern summer and autumn, and it features a prominent asterism known as the Northern Cross (in contrast to the Southern Cross).
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