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Earn +20 ptsQ: What major change did Copernicus make in the ptolemaic system?
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What major changes did Copernicus make in the ptolmaic system why was this change significant?
Essentially he took the center of the cosmos and changed it from everything circling the Earth, to everything circling the sun. While not the first to propose this, he was the first to have his incantation of this idea spread widely. He did not change from the idea of crystalline spheres or remove epicycles and deferents. He used circular motion, not ellipses (that wouldn't happen until Kepler). It was a radical proposition nonetheless and it was rejected as incorrect or even heresy for quite some time.
What is the major concern of the Green Party?
The Environment and Climate Change.
What are the organs of circulatory system?
The three major organs of the circulatory system are: The Heart, The Brain and The Lungs:
What is a major problem with predicting earthquakes?
No single change occurs before all earthquakes.
What are the major way the heat energy is transferred through earth system?
Air movements
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