Constellations are patterns of stars that appear in the night sky. These patterns are recognized and named by astronomers as a way to organize and identify different areas of the celestial sphere. There are 88 officially recognized constellations, which cover the entire sky.
Constellations have been used by various cultures throughout history for navigation, timekeeping, and storytelling. Different cultures have assigned their own names and mythologies to the constellations, resulting in variations in the names and interpretations of the same star patterns.