Who Was Eratosthenes? The Ancient Geographer Who Measured Earth

Discover Eratosthenes, the ancient Greek geographer who first calculated Earth's circumference and pioneered latitude and longitude.

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The most famous old geographer is Eratosthenes, an ancient Greek scholar. He was the first to calculate the Earth's circumference and developed the concept of latitude and longitude, laying foundations for future geographical and navigational advancements.

FAQs & Answers

  1. Who was Eratosthenes and why is he famous? Eratosthenes was an ancient Greek scholar credited with calculating the Earth's circumference and developing the concept of latitude and longitude.
  2. How did Eratosthenes measure the Earth's circumference? He used the angles of shadows in two different locations at the same time to estimate Earth's circumference with remarkable accuracy.
  3. What contributions did Eratosthenes make to geography? He laid the foundation for geographic coordinate systems by inventing the concepts of latitude and longitude and improved knowledge of the Earth's size.