Copernican heliocentrism is the name given to the astronomical model developed by Nicolaus Copernicus and published in 1543. This model positioned the Sun at the center of the Universe, motionless, with Earth and the other planets orbiting around it in circular paths, modified by epicycles, and at uniform speeds.
The major features of Copernican theory are: Heavenly motions are uniform, eternal, and circular or compounded of several circles (epicycles). The center of the universe is near the Sun. Around the Sun, in order, are Mercury, Venus, the Earth and Moon, Mars, Jupiter, Saturn, and the fixed stars.
Allows calculation of planetary orbital periods around Sun. Allows geometric calculations of planetary distances from Sun. These show nice regularity: more distant planets have longer periods, move slower. Easier to calculate planetary positions than with Ptolemaic model.
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Answer: In the spring of 1859, John Brown rented a farmhouse, known as the Kennedy Farmhouse, just outside of Harpers Ferry. He gave a false name to the neighbors, who would have recognized him as the violent abolitionist from out west. ... They knew that to raid Harpers Ferry was to approach a certain death.
Explanation:
The leader of the country should consult with others before making important decisions for the people
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The surrender of the Japanese Empire, as well as the worlds first look at nuclear warfare
