Sunspot numbers from 1600 to the present show how variable the solar cycle can be. Each peak represents a solar maximum, and each low point is a solar minimum. The Maunder Minimum has been tied to the Little Ice Age. Credit: NASA
| |
| |
Sunspot numbers from 1600 to the present show how variable the solar cycle can be. Each peak represents a solar maximum, and each low point is a solar minimum. The Maunder Minimum has been tied to the Little Ice Age. Credit: NASA |
|
|
|
