Astronomers that study the relationships between stars, group stars into formations called constellations. Constellations of stars are visible in the night sky at different times of the year. As the earth rotates around the sun, different stars are visible from earth. Some patterns of stars in the sky are only visible during certain seasons.
During the spring, the constellation Ursa Major is visible. The winter makes it possible to see the constellation orion.
This is an image of a grouping of stars called a constellation.