2. The temperature of sunspots is:
10,000 degrees celsius 3,000 degrees celsius 15,000 degrees celsius

3. Sunspots revolve with the Sun. After they disappear they reappear...
they don't reappear in 4 weeks in 2 weeks

4. A sunspots entire rotation period is ___ at the equator and the poles:
the same different 27 days

5. Sunspots are:
escaping gas holes in the atmosphere areas of magnetic activity

6. The first astronomer to observe sunspots was:
Abbot Galileo Wolf

7. The sunspot cycle is approximately ___ long:
20 years 7 years 11 years

8. Two parts of sunspots are:
corona & chromosphere corona & umbra umbra & penumbra