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ASTR101 Final Exam (Introduction to Astronomy)
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MCQS on an introductory look at our understanding of the universe and how this understanding has changed from Ancient Greece through today.
 

ASTR101 Final Exam (Introduction to Astronomy)
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25 Questions

1. As a star exhausts hydrogen in its core, how do the temperature and the luminosity of the central region change?
2. Which of the following was NOT a contribution to science made by Islamic cultures during the Middle Ages?
3. What celestial phenomenon is explained by the fact that the plane of the moon's orbit around the earth is not the same as the plane of the earth's orbit around the sun?
4. What is our current best theory for the formation of the moon?
5. Which of the following statements about Copernicus's system of planetary motion is correct?
6. Which of the following is a sequence of electromagnetic radiation from longest wavelengths to shortest wavelengths?
7. What differentiates dark matter from ordinary matter?
8. What is the range of luminosities for normal stars?
9. What caused scientific opinion to shift suddenly against the steady state model and in favor of the big bang model?
10. Which of the following cannot be explained by the particle model for electromagnetic radiation?
11. What type of star might have a surface temperature of 35,000 K and a luminosity of 100,000 times that of the sun?
12. What is (are) the origin(s) of the interstellar medium?
13. What advance in atomic models was made by Niels Bohr?
14. What is it called when the sun crosses the celestial equator in the direction from the northern to the southern celestial hemisphere?
15. What was an important difference between the steady state model and the big bang model?
16. Which of the following is NOT a chemical feature of the Solar System explained by the nebular hypothesis?
17. Based on WMAP data, what are the components of the present universe in order from the most significant to the least significant?
18. What type of star might have a surface temperature of 10,000 K and a luminosity 1/100 times that of the sun?
19. 8. Which of the following denotes the region of the sky near where the planets can always be found?
20. What is the age of the universe determined by the WMAP data?
21. What is the most massive nucleus that can be produced in a high-mass star before it explodes?
22. Which of the following structures obey Hubble's Law?
23. Which statement best describes Robert Dicke's role with respect to the cosmic background radiation?
24. Why was the geocentric model of the universe accepted as correct for at least 2,000 years?
25. The half-life of a particular radioactive material is 12 days.What is the time required for the activity to be reduced to 1/16 of its original value?

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