as large as you can get it
In a geocentric solar system model, earth is in the center, and all of the planets and then sun orbit around it. Geo= Earth Centric= Center
This model of the universe placed the Earth at the center of the universe
In the heliocentric model, the sun is at the center of our solar system and the earth is the third planet that orbits it.
The Earth-centered or "geo-centric" model.
Earth
Earth was the center of the universe
heliocentric
He proposed the Geocentric model of the universe. In that model, the Earth was at the center and all planets orbited it. This was naturally inferred from the apparent motion of the Sun and stars as the Earth rotates.
The model of the Solar System in which the Sun is in the center and the planets (including Earth) orbit it.
The Greeks created the theory of which they thought the earth was the center if our solar system ( a.k.a, the geocentric model)
On the outside.
The Earth was at the centerback then....