Geocentric model Geocentric model In astronomy, the geocentric model (also known as geocentrism, or the Ptolemaic system) is a superseded description of the Universe with Earth at the center. Under the geocentric model, the Sun, Moon, stars, and planets all orbited Earth. The geocentric model served as the predominant description of the cosmos in many ancient civilizations, such as those of Aristotle and Ptolemy. Two observations supported the idea that Earth was the center of the Universe. First, from anywhere on Earth, the Sun appears to revolve around Earth once per day. While the Moon and the planets have their own motions,
What Would the Founders Do? What Would the Founders Do? What Would the Founders Do?: Our Questions, Their Answers is a 2006 non-fiction book by American journalist and historian Richard Brookhiser. The author discusses the viewpoints, backgrounds, and character traits of the American Founding Fathers and compares and contrasts them with the socio-political debates of present-day Americans. Brookhiser states, "We can be as intelligent as they were, and as serious, as practical, and as brave." The book was published by Basic Books. Some of the issues detailed include the death penalty, gun control, censorship, assisted suicide, preemptive war, Indian casinos, campaign finance reform, and term