1. Origins of Modern Astronomy
Interactive Quiz

2. Learning Objectives
This interactive quiz will review the contributions of the astronomers addressed in chapter 21 of your text
After reading chapter 21, you should be able to
List the astronomical contributions of the ancient Greek philosophers Aristotle, Anaxagoras, Aristarchus, Eratosthenes, Hipparchus and Ptolemy
List the contributions to modern astronomy of Nicolaus Copernicus, Tycho Brahe, Johannes Kepler, Galileo Galilei, and Sir Isaac Newton

3. Which of the following astronomers introduced the idea of retrograde motion?
Nicolas Copernicus
Tycho Brahe
Claudius Ptolemy
Aristotle
Aristarchus

4. You are INCORRECT!
So try AGAIN!

5. You are CORRECT! You are a brilliant astrophysicist!

6. Which of the following astronomers believed the Earth was just another planet?
Nicolas Copernicus
Tycho Brahe
Claudius Ptolemy
Aristotle
Aristarchus

7. You are INCORRECT!
So try AGAIN!

8. You are CORRECT! You are a brilliant astrophysicist!

9. Which of the following astronomers derived three laws of planetary motion?
Nicolas Copernicus
Tycho Brahe
Claudius Ptolemy
Aristotle
Johannes Kepler

10. You are INCORRECT!
So try AGAIN!

11. You are CORRECT! You are a brilliant astrophysicist!

12. Which of the following astronomers reasoned the Moon shines by reflected sunlight?
Anaxagoras
Tycho Brahe
Claudius Ptolemy
Aristotle
Johannes Kepler

13. You are INCORRECT!
So try AGAIN!

14. You are CORRECT! You are a brilliant astrophysicist!

15. Which of the following astronomers employed the first successful attempt at determining the size of the Earth using simple shadow effects?
Anaxagoras
Hipparchus
Claudius Ptolemy
Aristotle
Eratosthenes

16. You are INCORRECT!
So try AGAIN!

17. You are CORRECT! You are a brilliant astrophysicist!

18. Which of the following astronomers was best known for his star catalogue?
Anaxagoras
Hipparchus
Claudius Ptolemy
Aristotle
Eratosthenes

19. You are INCORRECT!
So try AGAIN!

20. You are CORRECT! You are a brilliant astrophysicist!

21. Which of the following astronomers discovered Jupiter’s four largest moons?
Anaxagoras
Galileo Galilei
Claudius Ptolemy
Aristotle
Sir Isaac Newton

22. You are INCORRECT!
So try AGAIN!

23. You are CORRECT! You are a brilliant astrophysicist!

24. Which of the following astronomers was the first to provide visual evidence that the Earth was not the sole center of motion in the universe?
Tycho Brahe
Galileo Galilei
Claudius Ptolemy
Johannes Kepler
Sir Isaac Newton

25. You are INCORRECT!
So try AGAIN!

26. You are CORRECT! You are a brilliant astrophysicist!

27. You completed the QUIZ! You are a brilliant astrophysicist!