GRAND SOLAR MINIMUM GLOBAL COOLING
The maximum of this next cycle measured in terms of sunspot number, a standard measure of solar activity level could be 30 to 50% lower than the most recent one. The agency’s results show that the next cycle will start in 2020 and reach its maximum in 2025.
What happens during a grand solar minimum?
During solar minimum, the effects of Earth’s upper atmosphere on satellites in low Earth orbit changes too. Normally Earth’s upper atmosphere is heated and puffed up by ultraviolet radiation from the sun
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