Eratosthene proved it was round and even determined its diameter when he measured this noon shadow then its distance from Asswan where there wasn’t any at the same time.
Edit: it was not Aristoteles, thanks to @Suckmedry...
I had to crack open the memory to my ancient world history class from 6th grade ? Aristotle was just a philosopher, it's also worth mentioning Johannes Kepler, he proved the Earth revolves around the sun. All of this has been known for centuries
Eratosthene proved it was round and even determined its diameter when he measured this noon shadow then its distance from Asswan where there wasn’t any at the same time.
Edit: it was not Aristoteles, thanks to @Suckmedry...
Think that was Eratosthenes, no?
Fixed. Thanks!
I had to crack open the memory to my ancient world history class from 6th grade ? Aristotle was just a philosopher, it's also worth mentioning Johannes Kepler, he proved the Earth revolves around the sun. All of this has been known for centuries