Therefore, if any motions are attributed to the earth, they must produce in the celestial phenomena an appearance exactly the reverse of that which is observed.
Heliocentric model of the solar system
From 'De Revolutionibus Orbium Coelestium', Book I, Chapter 5
1543
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"For it is the duty of an astronomer to gather by careful and skilled observation the history of the celestial movements, and then to investigate their causes or hypotheses about them, and then to pred…"
Controversial"I am aware that I have made myself liable to be laughed at by those who consider it an absurdity to suppose that the earth moves."
Strange & Unusual"Nor do I doubt that learned and skillful mathematicians will agree with me if they are willing to give not superficial but profound attention to the arguments I adduce in this work."
Strange & Unusual"For the motions of the planets are so much more orderly and harmonious if they are referred to the sun as the center."
Controversial"For it is the duty of an astronomer to compose the history of the celestial motions through careful and expert study."
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