He didn't. Gallileo proved the earth was round. Eratosthenes of Cyrene first put the motion forward and even calculated the diameter, but Nicholas Copernicus and Galileo Galilei first put the idea into the public eye.
A reflecting telescope should have a parabolic mirror in which case there is no spherical aberration. The process of turning a spherical mirror surface into a parabolic one is called 'figuring'.
He probably is because everyone is. No one's been brave enough to prove it to the world, though...
He was determined because he had cancer and wanted to prove to himself and to the world that he was stronger than his cancer.
proved that America was number one in technology and therefore the number one superpower
Maybe someone who is trying to prove that and doesn't know the right answer
They sank, came backed to life then sued the person who asked this question.
aristole
cristopher coloumbus
Aristotle.
cause your mammas so fat
To circumnavigate and prove that earth was spherical most people don't get wht i say- I'm just a smart ass... i mean ... to travel around the world to prove its round :P lol x
The world is spherical
Eratosthenes: Computed the diameter of the Earth (to within 6%) around 238 BC. Magellan (or at least his ship and a lot of his crew): sailed around the world.
no
He was a philosopher
yes
greece