The Sun Is as Big as the Peloponnesus

@inproceedings{Couprie2011TheSI,
  title={The Sun Is as Big as the Peloponnesus},
  author={Dirk L. Couprie},
  year={2011}
}
Plutarch, Hippolytus, and Diogenes Laertius report that Anaxagoras compared the size of the sun with the Peloponnesus (see Fig. 16.1). The aim of this chapter is to show that Anaxagoras was not crazy when he said this but that it was a fair estimate, from his point of view, which was that of a flat earth. More precisely, I show that with the instruments (gnomon, clepsydra, sighting tube) and with the geometrical knowledge (the properties of similar triangles, simple equations, Pythagoras… Expand

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