10 May 2016
When sunspots are minimal, the solar magnetic field is at a maximum, say researchers
... 210 years. Perhaps one of the most well known periods in which solar observers noted an apparent lack of sunspot activity is the Maunder Minimum. This occurred between 1645 to 1715 and is an epoch when harsh winters across Europe...
16 September 2020
The Sun enters a new cycle and will reach a peak in 2025
... Index and Long-term Solar Observations at the Royal Observatory of Belgium in Brussels. Scientists don't just rely on sunspot activity though. Other indicators also help determine when the Sun is reaching a low, such as an increase in cosmic rays...
