Because they were barbaric and beleived earth was special :}
It means that the sun (helios in greek) is at the centre. This is what we know to be true, but for many years people thought that the earth may be at the centre of the solar system (a geocentric system), with the sun orbiting the earth.
The Geocentric model
circles
g
The Sun.
Such principle of belief that earth is the centre of the solar system is geocentrism. The model is called a Geocentric model.
Galileo had a theory, it was that the earth was NOT in the centre of the solar system like everyone thought, he made the first telescope and proved everyone wrong by looking into space and seeing that the sun was in the centre of the solar system, not the earth, doing this he also invented the telescope.
No. It is a star we call the sun and is the centre of our solar system.
People in the solar system live on Earth.
Viewed from Earth, Venus is the brightest planet.
Geocentric understanding places the Earth at the center of the solar system or universe (depending on what is being discussed, and when) A Heliocentric understanding places the sun at the center of the solar system, or universe.
Geocentric: Earth is center of the solar system. Heliocentric: Sun is the centre of the solar system.