Unit 2 lesson 1: Historical Models of the Solar System

How many Kepler laws were there?

Did Galileo's studies support the heliocentric or geocentric solar system?

What is geocentric?

What is an apparent shift in the position of an object when viewed from different locations?

Who came up with the idea of heliocentric?

What is heliocentric?

Most early astronomers placed the sun at the center of the solar system.

 Who attempted to measure the relative distances to the moon and the sun?

What type of solar system did Copernicus think was correct?

The sun and planets circle the Earth.

What is the sun and all of the bodies that orbit the sun?

The telescope helped to improve our understanding of the solar system.

Who came up with the idea of ellipses?

How did Aristotle's inability to detect parallax lead him to propose a geocentric model SS?

Did Aristotle think the solar system was geocentric or heliocentric?

Whose heliocentric model is seen as the first step in the development of models of the SS?

What type of solar system did Ptolemy think was correct?

The planets orbit the sun in ellipses.

What type of solar system did Kepler believe was right?