OBSERVATIONAL ASTRONOMY A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site Winter Triangle Winter Triangle (red) and Winter Hexagon (blue) An asterism formed by the three first magnitude stars Sirius in Canis Major, Procyon in Canis Minor, and Betelgeuse in Orion, and having roughly the shape of an equilateral triangle. Two of the vertices of the Winter Triangle (Sirius and Procyon) are shared with the larger asterism known as the Winter Hexagon. Related category    • OBSERVATIONAL ASTRONOMY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP