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  2. 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 ...

  3. Solar cycle - Wikipedia

    en.wikipedia.org/wiki/Solar_cycle

    Solar cycle 23 lasted 11.6 years, beginning in May 1996 and ending in January 2008. 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. [30] [31] [32]

  4. Solar maximum - Wikipedia

    en.wikipedia.org/wiki/Solar_maximum

    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 ...

  5. Sun’s peak activity period could come year earlier and last ...

    www.aol.com/sun-peak-activity-period-could...

    The 11-year activity cycle of the Sun is tied to the number of sunspots, which in turn are linked to the intensity of space weather, including solar flare activity from the star.

  6. Sun reaches Solar Maximum but it doesn’t mean peak activity ...

    www.aol.com/sun-reaches-solar-maximum-doesn...

    The Sun has reached a period of peak activity in an 11-year cycle known as the Solar Maximum, ... The past two years marked the active phase of the solar cycle with a higher number of sunspots.

  7. The sun’s activity is peaking sooner than expected - AOL

    www.aol.com/sun-activity-peaking-sooner-expected...

    The sun will reach solar maximum, or a peak in activity across its 11-year cycle, about a year sooner than originally predicted. Auroras, solar flares and space weather are all expected to increase.

  8. Sunspot - Wikipedia

    en.wikipedia.org/wiki/Sunspot

    Their number varies according to the approximately 11-year solar cycle. Individual sunspots or groups of sunspots may last anywhere from a few days to a few months, but eventually decay. Sunspots expand and contract as they move across the surface of the Sun, with diameters ranging from 16 km (10 mi) [3] to 160,000 km (100,000 mi). [4]

  9. Sun - Wikipedia

    en.wikipedia.org/wiki/Sun

    The largest sunspots can be tens of thousands of kilometers across. [111] An 11-year sunspot cycle is half of a 22-year Babcock–Leighton dynamo cycle, which corresponds to an oscillatory exchange of energy between toroidal and poloidal solar magnetic fields. At solar-cycle maximum, the external poloidal dipolar magnetic field is near its ...