Biblonia

Biblonia

The man who wrote the heavens down

Ptolemy, his universe and a lesson for us here on Earth

Dr Cristian Ispir's avatar
Dr Cristian Ispir
Mar 17, 2025
∙ Paid
The Ptolemaic universe and the planetary orbits, from the star atlas "Harmonia Macrocosmica" by Andreas Cellarius, 1661.

By the second century AD, the Mediterranean world, especially the Hellenistic and Roman parts of it, had covered a lot of mathematical, scientific and philosophical ground. It had laid the foundation of scientific thought, the pursuit …

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