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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.Related topics
- Summer TriangleThe Summer Triangle is an astronomical asterism involving an imaginary triangle drawn on the northern hemisphere's celestial sphere, with its defining vertices at Altair, Deneb, and Vega. This triangle connects the constellations of Aquila, Cygnus, and Ly
Astronomical asterisms
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