-
100
Ptolemy
He thought the world was geosentric
100-170 -
Apr 8, 1473
Copernicus
an astronomer who studied Greek philosophy -
Apr 8, 1564
Galileo
discovered four largest satellites of Jupiter -
Apr 8, 1572
Brahe
a Danish astronomer who discovered telescope -
Kepler
discovered elliptical orbit around the sun -
Newton
worked on discovering how gravity works