I consider it the chief duty of an astronomer to gather the observations of the heavenly bodies, and to explain their motions by hypotheses.
Heliocentric model of the solar system
I consider it the chief duty of an astronomer to gather the observations of the heavenly bodies, and to explain their motions by hypotheses.
Heliocentric model of the solar system
Preface to 'De Revolutionibus Orbium Coelestium'
1543
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"We are thus brought to a standstill by the realization that our previous theories were not only complicated but also inconsistent."
Strange & Unusual"For it is clear that the earth performs a double motion: one about its axis, and another about the sun."
Controversial"In the midst of all dwells the Sun. For who indeed could place this lamp of a better position in this most beautiful temple, than that from which it can at once illuminate all?"
Strange & Unusual"For it is not necessary that hypotheses should be true, or even probable; it is enough if they provide a calculus which agrees with the observations."
Strange & Unusual"The Sun, the Moon, and the five wandering stars are all governed by the same laws."
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