Development in Astronomy (2)

Solar System Model built by astronomer (Ptolemy)

Built the geocentric model with Earth at the centre and circular orbits

Solar System Model built by astronomer (Copernicus)

Built the heliocentric model with the Sun at the centre and circular orbits

Solar System Model built by astronomer (Kepler)

Modified the heliosentric model with the Sun at the common focal point on the eliptical orbits of the planets according to Kepler's Law

Modified Heliocentric model according to Kepler's Law

Geosentric model

Heliocentric model

The meaning of geo in the word geocentric

Geo means Earth

Centric meaning in the word geocentric

Centric means centre

The meaning of helio in the word heliocentric

Helio means the Sun

Centric meaning in the word heliocentric

Centric means centre