-
100 BCE
Eratosthenes
Circumfrence estimation of the earth
So we know the circumfrence of our home -
150
Ptolemy
Came up with the first epicycle model
Showed the location of the planets -
1543
Nicolaus Copernicus
He created the heliocentric system
So we know the earth revolves around the sun -
1563
Tycho Brahe
The first person to record Jupiter and Saturn overlapping
Because we found out the planet positions were wrong and he fixed them -
Kepler
Came up with the three planitary laws
Is importaint because they are the basis of uderstandng astronomy -
Newton
Created the three laws of gravity
Helped prove the theory of gecentric wrong -
Albert Einstein
The theroy of relitivity
One of the most importaint dicoveries ever about gravity and space