Related: Why aren't the constellations always drawn the same way? Uniformity didn't occur until the 1930 agreement that gave ...
The International Astronomical Union (IAU) currently recognizes 88 official constellations, which were named throughout the ages by astronomers from Babylonia, Egypt, Greece, China, Persia and more.
Canis Major ranks 43rd in size, right in the middle of the 88 constellations that cover the sky. It covers 380 square degrees; that’s about nine-tenths of 1 percent of the sky. What Canis Major ...