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Andreas Cellarius's illustration of the Copernican system, from the Harmonia Macrocosmica
Andreas Cellarius's illustration of the Copernican system, from the Harmonia Macrocosmica
Aristarchus' 3rd century BC calculations on the relative sizes of the Earth, Sun and Moon, from a 10th-century AD Greek copy
Aristarchus' 3rd century BC calculations on the relative sizes of the Earth, Sun and Moon, from a 10th-century AD Greek copy
An illustration from al-Biruni's astronomical works explains the different phases of the Moon with respect to the position of the Sun.
An illustration from al-Biruni's astronomical works explains the different phases of the Moon with respect to the position of the Sun.
Nicholas of Cusa, 15th century, asked whether there was any reason to assert that any point was the center of the universe.
Nicholas of Cusa, 15th century, asked whether there was any reason to assert that any point was the center of the universe.
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The obsolete geocentric model places Earth at the centre of the Universe.
The obsolete geocentric model places Earth at the centre of the Universe.