Shavuot, Philo, Astronomy and Pythagoreans

The first century CE Jewish philosopher Philo of Alexandria, in glowing terms, describes the holiday of Shavuot and its underlying reasons based on mathematics – and astronomy!

There’s a Bad Star on the Rise

In the course of the arguments of Moses and Aaron convincing Pharaoh to let the Israelites go, we find fascinating ideas that are illuminated by astronomy.