Winter Triangle
From Wikipedia, the free encyclopedia.

The Winter Triangle is an astronomical asterism involving an imaginary triangle drawn, during the winter, upon the northern hemisphere's celestial sphere; with its defining vertices at Betelgeuse, Procyon, and Sirius. This triangle connects the constellations of Canis Major, Canis Minor, and Orion.

See also:

• Summer Triangle

The original article can be found at: http://en.wikipedia.org/wiki/Winter_Triangle.
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