The Winter Triangle is an astronomical asterism involving an imaginarytriangledrawn, 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. Astrometry: the study of the position of objects in the sky and their changes of position. ... Imagination is, in general, the power or process of producing mental images and ideas. ... A triangle is one of the basic shapes of geometry: a two-dimensional figure with three vertices and three sides which are straight line segments. ... Drawing is one of many ways to making an image; it is the process of making marks on a surface by applying pressure from or moving a tool on the surface. ... In many parts of the world, winter is associated with snow. ... The Northern Hemisphere is the half of a planets surface (or celestial sphere) that is north of the equator (the word hemisphere literally means half ball). On Earth, the Northern Hemisphere contains most of the land and population. ... In astronomy and navigation, the celestial sphere is an imaginary rotating sphere of gigantic radius, concentric with the Earth. ... In geometry, a vertex (Latin: whirl, whirlpool; plural vertices) is a corner of a polygon (where two sides meet) or of a polyhedron (where three or more faces and an equal number of edges meet). ... Hubble UV picture of Betelgeuse. ... The position of Procyon Procyon (α CMi / α Canis Minoris / Alpha Canis Minoris) is the brightest star in the constellation Canis Minor and the eighth brightest star in the nighttime sky. ... 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. ...-1... Canis Major (Latin for big dog) is one of the 88 modern constellations, and was also in Ptolemys list of 48 constellations. ... Canis Minor (Latin for little dog) is one of the 88 modern constellations, and was also in Ptolemys list of 48 constellations. ... Orion, a constellation often referred to as The Hunter, is a prominent constellation, perhaps the best-known in the sky. ...
This triangle connects the constellations of Aquila, Cygnus, and Lyra.
Littrow, who described it as the "conspicuous triangle" in the text of his atlas (1866), and Bode connected the stars in a map in a book in 1816, although without label.
Since sideline triangles can be quickly formed on either side of the court, the defense is forced to defend the entire court from sideline to sideline at all times.
Since the Triangle Post Offense is entirely based on defensive reads, anytime the defense attempts to disrupt or deny a passing lane, it opens up automatic counter moves that usually result in easy baskets.
Against the Triangle Offense, the SOS pressure defense can be extended full court in order to lengthen the passing lanes and to pull the offense away from the basket and out of their normal operating areas.
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