For it is manifest that the movements of the planets are not uniform, but sometimes faster, sometimes slower, sometimes direct, sometimes retrograde.
Heliocentric model of the solar system
From 'De Revolutionibus Orbium Coelestium'
1543
Found in 1 providers: grok
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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"To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge."
Strange & Unusual"For it is the work of a good mathematician to compute the motions of the heavenly bodies, and to predict their positions at any given time."
Strange & Unusual"Therefore, we must find a better way to explain the apparent motion of the heavens, which is so complicated and irregular."
Controversial"For if the earth should move from west to east, the fixed stars would appear to move from east to west."
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