• Understood that the Sun was at least 300 times larger than the Earth (Which is a severe understatement, but true)

• Estimated that the Earth's circumference is between 28000 to 29000 miles. (Modern estimations are around 24860 miles)

• Demonstrated how something heavy can be moved by a small force

Hellenistic Culture is a blend of Indian, Persian and Egyptian culture with Greek culture, taking the good parts of all cultures into a common culture. Alexandria became the centre of Hellenistic culture due to its large and diverse population, and Its location at the mouth of the Nile River.