-
500 BCE
Eratosthenes
He found the circumference of the earth -
150 BCE
Claudius Ptolemy
He combined the movement of the stars with mathematics to predict movements of the planets. He also thought the earth was the center of the universe. -
1500
copernicus
his heliocentric system put the sun in the center of the solar system where it should be. -
Tycho Brahe
He thought that the earth was at the center of universe -
Johannes Kepler
made the kepler laws -
Sir Issac Newton
he created newtons laws -
Albert Einstein
He said that laws of physics were the same throughout the universe.