WORLD CIVILIZATION

Detailed explanation-1: -The introduction of the telescope to astronomy over four hundred years ago completely revolutionized the science, but for thousands of years before that, the naked eye had been the primary instrument used for revealing the secrets of the cosmos.

Detailed explanation-2: -There are still more things to discover in the field of astronomy. It is a growing science which will continue to produce discoveries in the coming decades, thanks to the growing technology that allows us to construct larger and better telescopes and analyze larger data sets.