Answers for Test A

Multiple Choice



1. d
2. a
3. b
4. b
5. e
6. d
7. d
8. b
9. a
10. c
11. d
12. b
13. b
14. b
15. d
    

    Fill-in

    
    
16. ecliptic or zodiac
17. celestial equator
18. equinox
19. conjunction
20. focus
21. equal to the; the same as the
22. acceleration
23. photon
24. absorption
25. interferometry