Nicolaus Copernicus 1473 - 1543 Heliocentric
model
Explanation of retrograde motion
Tycho Brahe 1546
- 1601 Observations of
changes in sky
Accurate planet positions
Johannes Kepler
1571 1630 Mathematical
description of
planetary orbits
Galileo Galilei
1564 1642 Observations
using telescope
supporting Copernican model
Isaac Newton 1642
1727 Physics to explain
Keplers orbits