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Chapter 2 Concept Questions. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Why were the Muslims so important in contributing to astronomy. 15. What are the differences between Zenith and Azimuth? . 16. What is the difference between epicycle & deferent. 17.
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14 • Why were the Muslims so important in contributing to astronomy
15 • What are the differences between Zenith and Azimuth?
16 • What is the difference between epicycle & deferent
17 • When must the retrograde motion for Mars occur?
18 • What did Galileo infer about the sun from his observations of the Sunspots.
19 • What was Galileo’s second book called, and what theory did it support.
20 • which of keplers 3 laws states that the orbit of every planet is an ellipse with the sun in the middle of the solar system?