Tag: sun
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The Solar Cycle
Our Sun goes through periods of activity on a roughly 11 year cycle from solar minimum to solar minimum (or solar maximum to solar maximum). During this cycle, the Sun varies between minimum and maximum periods of activity.
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Light
On Earth, our main source of light is the Sun. Solar radiation, or sunlight, provides the energy for photosynthesis – plants create sugars, which when digested, release energy.