Development in Astronomy (1)

Contribution Ptolemy in history of Solar system

Geocentric model is built with Earth at the centre and circular orbits

Contribution of Copernicus in history of Solar system

Heliocentric model is built with the Sun at the centre and circular orbits

Contribution of Kepler in Solar system

Heliocentric model is modified with the Sun at one common focal point on the elliptical orbits of the planets according to Kepler's Law

Geocentric model

Heliocentric model

Modified heliocentric model according to Kepler Law

Geocentric model built by Ptolemy (1)

Earth is at the centre of the Solar System

Geocentric model built by Ptolemy (2)

Earth is stationary and all the objects such as the Sun and other planets revolve around Earth in circular orbits

Heliocentric model built by Copernicus (1)

The Sun is at the centre of the Solar System

Heliocentric model built by Copernicus (2)

Earth rotates on its axis and revolves around the Sun in a circular orbit