In the heliocentric model, Earth is just one of 8 “planets” in our “solar system,” all of which are said to be huge spherical Earth-like habitations or globular gas giants millions of miles away.  They claim the Earth under our feet along with these 7 other planets all revolve concentric circles/ellipses around the Sun – hence the term “heliocentric.”  The previously prevailing “geocentric” model had placed the Earth as the immovable center …