Astronomy is written for astronomers.
Heliocentric model of the solar system
Implying that his complex work is not for the general public but for those with specialized knowledge.
Approximate, likely from 'De revolutionibus'
Found in 1 providers: gemini
Cross Reference
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"It is the duty of a good astronomer to seek for truth in all things, and to follow it wherever it may lead."
Strange & Unusual"For it is not the magnitude of the stars, but the magnitude of their distance from us, that causes them to appear small."
Strange & Unusual"And so, in the first book, I describe the earth's general position and its various motions, and then I pass to the other planets, showing how their motions are related to the earth's."
Controversial"Therefore, I propose that the earth moves, and that the fixed stars are immovable."
Controversial"The sphere is the most perfect of all figures, hence it is the form of the world."
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