3 ms·
> it rough size was also known And it had been known for 1600 years already! https://en.wikipedia.org/wiki/Eratosthenes https://en.wikipedia.org/wiki/Eratosth
by pif 2y ago
> it rough size was also known
And it had been known for 1600 years already!
https://en.wikipedia.org/wiki/Eratosthenes https://en.wikipedia.org/wiki/Eratosthenes