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  2. Solar cycle - Wikipedia

    en.wikipedia.org/wiki/Solar_cycle

    The Solar cycle, also known as the solar magnetic activity cycle, sunspot cycle, or Schwabe cycle, is a periodic 11-year change in the Sun's activity measured in terms of variations in the number of observed sunspots on the Sun's surface.

  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 25 - Wikipedia

    en.wikipedia.org/wiki/Solar_cycle_25

    Solar cycle 25 is the current solar cycle, the 25th since 1755, when extensive recording of solar sunspot activity began. It began in December 2019 with a minimum smoothed sunspot number of 1.8. [ 2 ]

  5. Second major solar storm of year hits Earth as sunspot cycle ...

    www.aol.com/second-major-solar-storm-hits...

    Both this year’s storms are part of the same broad pattern of increasing sunspot activity. ... and the current solar cycle has reached the highest number of sunspots since 2001, ...

  6. Solar cycle 24 - Wikipedia

    en.wikipedia.org/wiki/Solar_cycle_24

    Solar cycle 24 is the most recently completed solar cycle, the 24th since 1755, when extensive recording of solar sunspot activity began. [ 1 ] [ 2 ] It began in December 2008 with a minimum smoothed sunspot number of 2.2, [ 3 ] [ failed verification ] and ended in December 2019. [ 4 ]

  7. Johannes Kepler thought he sketched Mercury orbiting across ...

    www.aol.com/johannes-kepler-1607-sketches...

    The research team determined that the sunspot group observed by Kepler belonged to the tail-end of Solar Cycle minus 14 rather than the beginning of Solar Cycle minus 13.

  8. Sunspot - Wikipedia

    en.wikipedia.org/wiki/Sunspot

    Solar cycles last typically about eleven years, varying from just under 10 to just over 12 years. Over the solar cycle, sunspot populations increase quickly and then decrease more slowly. The point of highest sunspot activity during a cycle is known as solar maximum, and the point of lowest activity as solar minimum.

  9. Northern lights forecast for northern US, Midwest this week ...

    www.aol.com/northern-lights-forecast-northern-us...

    NASA said the sun is expected to reach the peak of Solar Cycle 25 in 2025. By then sunspots located in regions of intense magnetic activity should increase, according to the NOAA.