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  2. Solar cycle - Wikipedia

    en.wikipedia.org/wiki/Solar_cycle

    The Panel, which was organized by NOAA's Space Weather Prediction Center (SWPC) and NASA, based on the published solar cycle 25 predictions, concluded that solar cycle 25 will be very similar to solar cycle 24. They anticipate that the solar cycle minimum before cycle 25 will be long and deep, just as the minimum that preceded cycle 24.

  3. List of solar cycles - Wikipedia

    en.wikipedia.org/wiki/List_of_solar_cycles

    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

  4. Galactic year - Wikipedia

    en.wikipedia.org/wiki/Galactic_year

    The Solar System is traveling at an average speed of 230 km/s (828,000 km/h) or 143 mi/s (514,000 mph) within its trajectory around the Galactic Center, [3] a speed at which an object could circumnavigate the Earth's equator in 2 minutes and 54 seconds; that speed corresponds to approximately 1/1300 of the speed of light.

  5. 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 ]

  6. Mars sol - Wikipedia

    en.wikipedia.org/wiki/Mars_sol

    It is approximately 24 hours, 39 minutes, 35 seconds long. A Martian year is approximately 668.6 sols, equivalent to approximately 687 Earth days [ 1 ] or 1.88 Earth years. The sol was adopted in 1976 during the Viking Lander missions and is a measure of time mainly used by NASA when, for example, scheduling the use of a Mars rover .

  7. Upcoming solar cycle could affect earth's technology

    www.aol.com/news/upcoming-solar-cycle-could...

    "Just like we have hurricane cycles that last roughly a year, the sun has a cycle that lasts about 11 years," a NASA scientist said. Upcoming solar cycle could affect earth's technology [Video ...

  8. Sun - Wikipedia

    en.wikipedia.org/wiki/Sun

    Solar activity is thought to have played a large role in the formation and evolution of the Solar System. [117] Change in solar irradiance over the 11 year solar cycle has been correlated with change in sunspot number. [118] The solar cycle influences space weather conditions, including those surrounding

  9. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!