HW010312

due in 2 weeks

1. Explain why, other things being equal, it is better to observe a meteor shower at early morning hours (e.g., 2 am to dawn) than at early evening hours?

2. What are Kirkwood gaps?  What causes these gaps?

3. One of the most productive places on Earth to search for meteorites is in Antarctica.  Why?  Check on the site  http://www.cwru.edu/affil/ansmet/ for an example of such a collecting program.

4. What is solar granulation?  Describe how convection gives rise to granules. 

5. Explain how the magnetic-dynamo theory accounts for the solar cycle.