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Solar cycle

Solar cycle logo #10101) Unit of time
Found on https://www.crosswordclues.com/clue/solar-cycle

Solar cycle

Solar cycle logo #21000 The solar cycle (or solar magnetic activity cycle) is the periodic change in the Sun`s activity (including changes in the levels of solar radiation and ejection of solar material) and appearance (visible in changes in the number of sunspots, flares, and other visible manifestations). Solar cycles have an average duration of about 11 years. They h....
Found on http://en.wikipedia.org/wiki/Solar_cycle

Solar cycle

Solar cycle logo #21000[calendar] The solar cycle is a 28-year cycle of the Julian calendar with respect to the week. It occurs because leap years occur every 4 years and there are 7 possible days to start a leap year, making a 28 year sequence. This cycle also occurs in the Gregorian calendar, but it is interrupted by years such as 1700, 1800, 1900 and 2100, whi...
Found on http://en.wikipedia.org/wiki/Solar_cycle_(calendar)

solar cycle

solar cycle logo #21003period in which several important kinds of solar activity repeat themselves. The cycle, lasting about 22 years on average, includes two 11-year ...
Found on http://www.britannica.com/eb/a-z/s/121

solar cycle

solar cycle logo #21142a period of approximately 11 years characterizing the slowly variable components of solar activity
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=705-07-84

Solar Cycle

Solar Cycle logo #10444The 11-year variation in sunspot activity.
Found on http://www.encyclo.co.uk/visitor-contributions.php

Solar Cycle

Solar Cycle logo #10444The approximately 11-year quasi-periodic variation in frequency or number of solar active events.
Found on http://www.encyclo.co.uk/visitor-contributions.php

Solar Cycle

Solar Cycle logo #21813The approximately 11-year quasi-periodic variation in frequency or number of solar active events.
Found on http://www.seasky.org/astronomy/astronomy-glossary.html

solar cycle

solar cycle logo #10006The approximately 11-year, quasi-periodic variation in the frequency or number of solar active events.
Found on http://www.solarviews.com/eng/terms.htm

solar cycle

solar cycle logo #21009solar cycle The main periodic cycle in the sun's activity that occurs over about an eleven-year period. The period is not constant, varying between about 9.5 and 12.5 years. During the cycle, changes occur in the sun's internal magnetic field and in its surface disturbance level.
Found on http://www.wordinfo.info/words/index/info/view_unit/1978/2

solar cycle

solar cycle logo #20128The periodic change in sunspot numbers. It is the interval between successive minima and is about 11.1 years.
Found on https://www.encyclo.co.uk/local/20128

Solar Cycle

Solar Cycle logo #20687The approximately 11 year quasi-periodic variation in frequency or number of solar active events. See also: Sun.
Found on https://www.encyclo.co.uk/local/20687
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