The History of Astronomy Simplified

The system of concentric Spheres
Part 1

The system of concentric Spheres
The System of Flat Earth and that of Eccentric Spheres
Part 2

The System of Flat Earth and that of Eccentric Spheres
The Stoical System
Part 3

The Stoical System
The System of Copernicus
Part 4

The System of Copernicus
Reception to Copernicus' System
Part 5

Reception to Copernicus' System
Tycho Brahe' System of Astronomy
Part 6

Tycho Brahe' System of Astronomy
Kepler's System of Astronomy
Part 7

Kepler's System of Astronomy
The Observations of Cassini
Part 8

The Observations of Cassini
Descartes' System of Astronomy
Part 9

Descartes' System of Astronomy
Isaac Netwon's System of Astronomy
Part 10

Isaac Netwon's System of Astronomy
Gravity and Mass
Part 11

Gravity and Mass