Geocentric vs. Heliocentric Models

1. EARTH’S
MOVEMENT
Geocentic
vs
Heliocentric
Models

2. Geocentric Model
Geocentric Model (Geo means
Earth and Centric means
Center)
The model that says the earth in
the center of the Solar System
(earth-centered)
Greek philosopher Ptolemy
thought that the Earth is at the
center of the Solar System
The Catholic Church believed
this model because God
placed Earth at the center

3. Heliocentric Model
Heliocentric Model -Helio means
Sun and Centric means Center)
The model that says that the Sun is
at the center of the Solar System
(Sun-centered)
Nicolaus Copernicus proposed
that the Sun was the center of the
universe, not the earth

4. Heliocentric Evidence
The Catholic Church opposed this model
because it went against the church’s beliefs
and imprisoned, tortured and killed people
who believed this model
Evidence
Seasons
Telescope (Galileo)
Ellipses (Kepler’s Law’s)
Gravity (Newton)