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?