The heat and light of the sun waxes and wanes over a roughly 11 year period. Scientists had thought it warmed the earth more during peaks of activity, for example as measured by the number of spots visible in the sun’s atmosphere.
Dealing With Various Themes And Issues
The heat and light of the sun waxes and wanes over a roughly 11 year period. Scientists had thought it warmed the earth more during peaks of activity, for example as measured by the number of spots visible in the sun’s atmosphere.