Practice Quiz

AP World History

Category - History

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What scientific accomplishment is Nicolaus Copernicus best known for?
  1. Elaborating upon the existing theory of the elliptical orbits
  2. He invented the telescope.
  3. He created the world’s first working microscope.
  4. He mathematically proved heliocentric theory.
Explanation
Answer - D - Nicolaus Copernicus is best known for proving heliocentric theory.

Key Takeaway: Copernicus set into motion an absolute intellectual earthquake when he proved that the earth and other planets revolved around the sun. His conclusions were all confirmed by Tycho Brahe, Johannes Kepler, and Galileo during the Scientific Revolution in the 1600s. However, because Catholic doctrine held that the sun revolved around the earth (God’s home for humanity), it was highly dangerous to show support for heliocentric theory.
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