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1.  What is the source of most of Earth's energy?

2.  How far is Earth from the Sun?

3.  Why is it so dangerous to look at the Sun through any kind of lens?

4.  What is the composition of the Sun?  List and describe each succeeding major layer.

5.  Answer BOTH of the following questions in the space below:

A)  What is the corona?

B)  What is a coronagraph?

6.  What is the importance of sunspots to Earth?

7.  What is the magnetosphere?  Explain the effect that the solar winds have on the magnetosphere.

8.  How does the Sun's energy get to Earth? 

9.  How is the Sun its own fuel?

10.  Is solar energy the answer to the world's shortage of fuels for energy?

11.  What are the major problems in the use of nuclear energy for power?

12.  What spacecraft has been conducting observations of the Sun's north and south poles since its launching in 1990?