| Sunspots |
Solar Cycle |
|
|
| * Dark areas on
the sun * Are cooler than surrounding photosphere |
* 11 year cycle of
solar activity * Solar Minimum: time of least sunspots and solar activity |
| * Areas of strong
magnetic fields |
* Solar Maximum:
time of most sunspots and solar activity |
| * Usually appear
in pairs or groups * One being of positive polarity the other of negative polarity |
* Every Solar cycle the polarity of the sun flips * This makes a 22 year cycle |
| * Observed
in the middle latitudes i.e. not found directly at the poles of the equator |
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