Along with most ancient Greek philosophers, Ptolemy believed that the earth was at the center of the universe. Against this ancient and long-lasting tradition, Copernicus asserted the notion that the sun was at the center of the solar system. Thomas Kuhn would call this an example of:_________.A) a paradigm shift,as it challenged the existing paradigm of the day.B) how normative science triumphs over biased science.C) a normal scientific discovery,because it gathered new and useful information.D) the power of facts to correct errors.