1. Rank these in order from farthest to nearest Earth: a star near the center of the Milky Way/ the Orion Nebula/ the star alpha Centauri/ Neptune/the Sun

2. Which of these is larger, the Sun or the orbit of the Moon around Earth?

3. Early radio broadcasts were emitted about a century ago. Where are these broadcasts now, having traveled at the speed of light? Circle your choice: near the orbit of Neptune----just passing nearby stars---at the edge of the Milky Way---approaching the Andromeda galaxy

4. Light we see this year from the Andromeda galaxy left the stars of that galaxy 2500 years ago/ 250,000 years ago/ 2.5 million years ago/ 250 million years ago

5. Arrange these from smallest to largest: Moon/ the Sun/ the Earth/ the orbit of the Moon/ the orbit of Neptune

Lunar Phases

6. a. what fraction of the moon is illuminated at any one time? _________

b. the complete cycle of lunar phases takes _______ days.

7. At about what time does each of these phases rise/set?

a. first quarter sets at about __________

b. the full moon rises about ________ and sets about ________

c. third quarter moon sets at about _________

d. new moon rises at about ________ and set at about _________.

8. Which phase of the moon would you see:

a. in the west near the setting sun ______________

b. in the south at sunset __________________

c. near the eastern horizon at sunset __________________

9. If the moon rises at sunset tonight, when will it rise tomorrow night? __________

10. Sorry Pink Floyd: the dark side of the moon is really a myth. Explain.

11. We see the same side of the moon from Earth. Does the moon rotate? Why or why not? Explain.

Eclipses

12. As viewed from above, the moon revolves around Earth in a ________ fashion. (clockwise/counterclockwise)

13. The plane representing Earth's orbit is called the ______________.

14. The moons' orbit is also in the ecliptic ______ True/False

15. A solar eclipse occurs at every new moon somewhere on Earth. True/false

16. The moon always appears large enough to cover the sun. True/False

17. a. when the moon is relatively close to Earth, we get a/an _______ solar eclipse.

b. when the moon is farther from Earth, we see a/an ________ solar eclipse.

18. a. to see a total eclipse, you would have to be in the _____ of the sun’s shadow (what part of the shadow).

b. if you are in the penumbra, you would see what kind of eclipse? ___________

19. Lunar eclipses can be observed day or night. _____ True/False

20. Why are lunar eclipses observed by more people than solar eclipses?