The earth has a spherical shape, for it is bounded on all sides by the circumference of a circle.
Heliocentric model of the solar system
From 'De Revolutionibus Orbium Coelestium', Book I, Chapter 2
1543
Found in 1 providers: grok
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"The spheres of the planets do not revolve about the earth as their center, but about the sun."
Controversial"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"The difficulty of the task, and the novelty of the opinion, almost deterred me from publishing the work."
Strange & Unusual"For these I care nothing, and I shall even despise their judgment as reckless."
Controversial"Nations are not ruined by one act of violence, but gradually and in an almost imperceptible manner by the depreciation of their circulating currency, through its excessive quantity."
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