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  2. Sunspot - Wikipedia

    en.wikipedia.org/wiki/Sunspot

    Sunspots, with their intense magnetic field concentrations, facilitate the complex transfer of energy and momentum to the upper solar atmosphere. This transfer occurs through a variety of mechanisms, including generated waves in the lower solar atmosphere [44] and magnetic reconnection events. [45]

  3. List of solar cycles - Wikipedia

    en.wikipedia.org/wiki/List_of_solar_cycles

    Following is a comparison of the growth of cycle 25 versus cycle 24, using the 13-month sunspot averages, beginning with the months of the respective minimums. Numbers in brackets for cycle 25 indicate the minimum possible value for that month, assuming there are no more sunspots between now (Dec 6, 2024) and six months after the end of the ...

  4. Solar cycle - Wikipedia

    en.wikipedia.org/wiki/Solar_cycle

    The maximum smoothed sunspot number (monthly number of sunspots averaged over a twelve-month period) observed during the solar cycle was 120.8 (March 2000), and the minimum was 1.7. [29] A total of 805 days had no sunspots during this cycle.

  5. The sun is more active than experts predicted. It could mean ...

    www.aol.com/sun-more-active-experts-predicted...

    Solar cycles typically occur every 11 years. Within that time, the sun oscillates from minimum to maximum solar activity, with maximum activity peaking in the middle of the cycle when the sun's ...

  6. Solar maximum - Wikipedia

    en.wikipedia.org/wiki/Solar_maximum

    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 14 years. Three recent solar cycles. Large solar storms often occur during solar

  7. Amid solar maximum, northern lights should flourish: How to ...

    www.aol.com/amid-solar-maximum-northern-lights...

    The peak of activity – the solar maximum – occurs when the sun's north and south magnetic poles flip. ... NASA and the National Oceanic and Atmospheric Administration track sunspots – the ...

  8. The sun is at its 11-year maximum. That means another ... - AOL

    www.aol.com/sun-11-maximum-means-another...

    The current solar maximum likely began in early 2023, as the sun began to display more and more sunspots, which are low-temperature regions on the sun's surface created by concentrated magnetic ...

  9. Solar phenomena - Wikipedia

    en.wikipedia.org/wiki/Solar_phenomena

    Sunspot activity has been measured using the Wolf number for about 300 years. This index (also known as the Zürich number) uses both the number of sunspots and the number of sunspot groups to compensate for measurement variations. A 2003 study found that sunspots had been more frequent since the 1940s than in the previous 1150 years. [30]