Question

question 8 of 20
in 2000, at solar maximum, there were 119 sunspots visible during the year.
what would be the next year you would expect to observe about the same number of sunspots?
2005
2100
2011
never again

Explanation:

Step1: Recall solar - cycle period

The solar cycle has an approximate period of 11 years.

Step2: Calculate the next year

Add 11 years to 2000. $2000 + 11=2011$

Answer:

C. 2011