Models of the Solar System/Theories

Who was the person who proposed the heliocentric model of the solar system

_____ demonstrated all bodies, regardless their mass, fall at the same rate.

The sun and all of the bodies that orbit the sun is the

Who improved the telescope in 1609?

What does parallax mean?

Parallax can be seen with the naked eye

What is the Geocentric model?

_____ made significant improvements on the newly invented telescope.

Who used the idea of the "wheels-on-wheels" system

_____ adopted ______ idea that planetary paths should be perfect circles.

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

_____ has a book that is based on observations of the planets going back to 800 years.

____ the scientist approached questions in the fashion that today we call scientific methods.

What is the Heliocentric model?

______ attempted to measure the relative distances to the moon and sun.