The Constitution was a compact â though Federalists and Anti-Federalists disagreed over whether the states or the people were the agents of the compact. In September of 1787, it was sent to the states for ratification.
The Heliocentric Theory was first thought of by Aristarchus of Samos. Heliocentrism is the proposal that the Sun is the center of the Solar System. This opposed the notion of Geocentricism, which suggested that the Earth was the center of the Solar System.
The Copernican Model: A Sun-Centered Solar System. The Earth-centered Universe of Aristotle and Ptolemy held sway on Western thinking for almost 2000 years. Then, in the 16th century a new (but remember Aristarchus) idea was proposed by the Polish astronomer Nicolai Copernicus (1473-1543).