Copernicus did not initially think that the Earth orbited the Sun. He just found the mathematical calculations for planetary positions easier if all objects went in circles around the Sun rather than the Earth. Seeing how successful and simple this heliocentric model was, he soon came to realize that it must be true... displayed 300 characters
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Seeing how successful and simple this heliocentric model was, he soon came to realize that it must be true. To have the Earth go around the Sun violated Aristotle's theory of violent motion since the Earth must move to orbit the Sun.
It also violated church teaching since the Vatican supported the ideas that the Earth was the center of the Universe where all objects would orbit the Earth... displayed next 300 characters
A Danish astronomer, Tycho Brahe carefully recorded the movements of the planets for many years. He heard an old Greek idea that the sun was in the center of the universe and started looking to see if this could be true...
However, it was 400 years
before it was published.
After leaving his uncle, he wrote a treatise on money, and began the
work for which he is most famous, On the Revolution of the Celestial Spheres,
which took him almost 15 years to write...
In every day terms, T is the time of the orbital period of the planet, K is a constant, and r is the ratio of the Sun to the planet. If more than on planet is involved, the ratio becomes (Ta2 / Tb2 ) = (Ra3 / Rb3 )...
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