Time Line: Important Dates in the "Astronomy
of the Greeks"
- May 28th, 585 BC- Thales predicts
the solar eclipse
- September 9th, 490 B.C.-
Date of the full moon that prohibited Sparta from helping Athens
battle the Persians in the battle of Marathon
- 4th century BC (300's)- Geocentric
model of the universe originated
- 3rd century BC (200's)- Aristarchus
of Samos invents the heliocentric model of the universe
- Around 200 BC Eratosthenes calculates
the size of the Earth, Sun, and Moon
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