The telescope was invented in the Netherlands in the early 1600s. When t Italian scie Galileo he about i in 1609, h quickly bu his o, more powe version. H then poi it at the night sky and studied it more carefully than anyone before him. He saw mountains on the Moon, four moons circling Jupiter, and countless stars that were too faint to see without help. These discoveries helped convince many people that the Earth was not the center of the universe.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.