Models of the Solar System

A Greek astronomer who believed in the geocentric model was ______________________

The first astronomer to use a telescope was _______________.

Which astronomer(s) helped prove the heliocentric model was correct?

In the geocentric model, _____________________ is at the center of revolving planets and stars

The 1st law of planetary motion states that the orbits of the planets are ___________________.

After years of calculation _______________ found the orbit of each planet is an ellipse. 

The astronomer ________ developed the idea that planets moved around the sun. 

Kepler came up with the laws of planetary __________________.

Galileo also discovered ___________, ________________, _________________

The model that states the arrangement of how planets move around the sun is called the _______.