Rearrangement of Sentences — quick quiz

Rearrange the following sentences to form a coherent paragraph: 1. This discovery revolutionized our understanding of the universe. 2. For centuries, scientists believed that Earth was the center of the solar system. 3. It was Copernicus who first proposed the heliocentric model in the 16th century. 4. His theory stated that the Sun, not Earth, was at the center, with planets orbiting around it. Which is the correct sequence?