2. which layer of the sun is the hottest?
3. what 2 elements are in that layer?
4. which layer is the "surface of the sun?
5. what is the area outside the chromosphere and what is its temperature?
6. what is the steady stream of protons and electrons emitted from the sun?
7. what type of nuclear reaction takes place in the core?
8. what is the temperature of sun spots?
9. what is only visible during an eclipse?
10. explain the order of a lunar eclipse starting at the sun.
a
11. what are large flares shooting out of the chromosphere that release energy?