Their line is gone out through all the earth, and their words to the end of the world. In them hath he set a tabernacle for the sun. Having declared that the heavens reveal God's glory, the Psalmist informs us that the heavens declare a message in a language that is understood by all peoples. These starry worlds, as such, do show forth His handiwork , but explain little about the glory of God . The answer is quite evident.
Pictures speak in all dialects.
They speak a universal language, to all peoples everywhere. Somewhere in the earliest ages of human existence the visible stars were named. Certain ones were arranged into groups by someone thoroughly familiar with the laws of astronomy. Those names and groupings were at the same time included in certain figures, natural or imaginary, but intensely symbolic and significant. Today we know them as Constellations.