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The start of solar cycle 25 was declared by SIDC on September 15, 2020 as being in December 2019. [9] This makes cycle 24 the only "11-year solar cycle" to have lasted precisely 11 years. Details of cycles 1 to 25
The Solar Cycle 25 Prediction Panel predicted in December 2019 [11] that solar cycle 25 will be similar to solar cycle 24, with the preceding solar cycle minimum in April 2020 (± 6 months), and the number of sunspots reaching a (smoothed) maximum of 115 in July 2025 (± 8 months).
Solar maximum is the regular period of greatest solar activity during the Sun's 11-year solar cycle. During solar maximum, large numbers of sunspots appear, and the solar irradiance output grows by about 0.07%. [2] On average, the solar cycle takes about 11 years to go from one solar maximum to the next, with duration observed varying from 9 to ...
NASA says the sun is in the highly active "maximum phase" of its 11-year solar cycle. That means there will probably be big solar storms bringing beautiful aurora in the next year or so.
Scientists said the sun is now in its solar maximum, or the peak of its 11-year solar cycle.
During the 2024 eclipse, the sun will be near “solar maximum.” This is the most active phase of a roughly 11-year solar cycle, which might lead to more prominent and evident sun activity ...
The solar luminosity is an estimated 0.07 percent brighter during the mid-cycle solar maximum than the terminal solar minimum. Photospheric magnetism appears to be the primary cause (96%) of 1996–2013 TSI variation. [71] The ratio of ultraviolet to visible light varies. [72]
The date of the next solar maximum will not be known until it has already passed, with space weather forecasters currently predicting that it will take place at some point between now and early 2026.