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The Sun follows cycles of roughly 11 years where it reaches a solar maximum and then a solar minimum.
The last time there was a prolonged solar minimum, it led to a ‘mini ice-age’, scientifically known as the Maunder minimum – which lasted for 70 years.
During a solar maximum, the Sun gives off more heat and is littered with sunspots. The sun gives off less heat in a solar minimum due to a decrease in magnetic waves.
Currently, we are in the solar maximum, but in 2021 or sooner, the temperatures given off from the Sun will begin dropping as we enter the solar minimum.
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