Name: Partner(s): Day/Time:

These questions should be answered after you have completed all other parts of the activity that you are required to complete.

1. Which system (equatorial or alt-az) would you use if you wanted a group of people from around the world to observe the same object? Why?
   
   
   
   
   
   
   
   
2. Which system (equatorial or alt-az) would be easier to use to point out a star to a friend in your backyard? Why?
   
   
   
   
   
   
   
   
3. What are the advantages and disadvantages of using the alt-az system?
   
   
   
   
   
   
   
   
4. What are the advantages and disadvantages of using an equatorial (RA & dec) system?
   
   
   
   
   
   
   
   
5. Which coordinate system would be most useful for a spaceship traveling within our solar system? Why?