Heliocentric Theory: Definition & Model


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What is the heliocentric theory?

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1. Who was the first ancient Greek astronomer to propose a heliocentric model?

2. Who was Nicholaus Copernicus?

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About This Quiz & Worksheet

At one time, there were two conflicting theories about our place in the universe. This quiz and corresponding worksheet will gauge your understanding of the nature of this rivalry, society's reaction to it, and the proponents of each side of the argument.

Quiz & Worksheet Goals

In these assessments you'll be tested on the following:

  • The definition of the heliocentric theory
  • The origin of the first heliocentric model
  • Your knowledge of Copernicus
  • Your familiarity with Galileo

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the related world history lesson
  • Making connections - use understanding of the concept of heliocentricism
  • Information recall - access the knowledge you've gained about the development and advancement of the heliocentric theory

Additional Learning

To learn more about conflicting points of view on the nature of the physical relationship of Earth to the Sun, review the accompanying brief lesson titled Heliocentric Theory: Definition & Model. The lesson covers the following topics:

  • Discuss the accuracy of the geocentric model proposed by Pythagoras
  • Explain why Aristarcus concluded that Earth revolved around the Sun
  • Examine why the Renaissance ushered in a period of advancement in the study of astronomy
  • Define why the leap forward in the popularity of the heliocentric theory was characterized as the Copernican Revolution
  • Illustrate why Galileo was persecuted for his advocacy of the heliocentric theory