Historical photographs

Greek manuscript. From Prehistory to the Middle Ages

Greek manuscript. From Prehistory to the Middle Ages

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This is the oldest manuscript that is part of a collection of works on Astronomy and Mathematics, taken from the Greek sages Autolic, Euclid, Aristarchus, Hipsicles, and Theodosius.

The most curious is that of Aristarchus: About the Size and Distance of the Sun and the Moon. The image shows Proposition 13, accompanied by a few glosses, which refers to the reason for the extension of the arc that divides the illuminated part of the dark part of the Moon into an eclipse of the Moon to the diameters of the Sun and the Moon.

Aristarchus of Samos was the first Greek philosopher to affirm that the Earth revolves around the Sun, although we only have proof of this statement through the later writings of Archimedes, since none of his works on that subject has survived.

Aristarchus also tried to design a calculation method for the relative distances of the Sun and the Moon from Earth. Although his method was mathematically correct, his calculations were not due to the fact that, at that time in history, he could not have sufficiently precise instruments.

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