The Modern Maximum refers to the period of relatively high solar activity which began with Solar Cycle 15 in 1914. It reached a maximum in Cycle 19 during the late 1950s and may have ended with Cycle 23 in 2000 as Cycle 24 is recording, at best, very muted solar activity. This period is a natural example of solar variation, and one of many that are known from proxy records of past solar variability. The Modern Maximum reached a double peak once in the 1950s and again during the 1990s.

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  • Le maximum moderne fait référence à la période en cours durant laquelle l'activité solaire est relativement forte. Elle a commencé vers 1950. Cette période est un exemple des variations solaires et une des nombreuses parmi celles qu'a connues le soleil dans le passé. * Portail de l’astronomie Portail de l’astronomie (fr)
  • The Modern Maximum refers to the period of relatively high solar activity which began with Solar Cycle 15 in 1914. It reached a maximum in Cycle 19 during the late 1950s and may have ended with Cycle 23 in 2000 as Cycle 24 is recording, at best, very muted solar activity. This period is a natural example of solar variation, and one of many that are known from proxy records of past solar variability. The Modern Maximum reached a double peak once in the 1950s and again during the 1990s. The value of the maximum, and even to some extent its existence, depends somewhat on the method of counting sunspot numbers. (en)
  • 現代極大期指的是自1914年第15週期開始,非常活躍的太陽活動。它在1950年代晚期的第19週期達到最高潮,並且可能結束於2000年的第23週期,因為仍在進行中的第24週期,迄今的活動紀錄都顯得非常平靜。這個週期是自然的太陽活動的一個例子,是在過去的太陽活動主要紀錄中的例子之一。現代極大期有兩個高峰,一次在1950年代,另一次在1990年代。 (zh)
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  • Le maximum moderne fait référence à la période en cours durant laquelle l'activité solaire est relativement forte. Elle a commencé vers 1950. Cette période est un exemple des variations solaires et une des nombreuses parmi celles qu'a connues le soleil dans le passé. * Portail de l’astronomie Portail de l’astronomie (fr)
  • 現代極大期指的是自1914年第15週期開始,非常活躍的太陽活動。它在1950年代晚期的第19週期達到最高潮,並且可能結束於2000年的第23週期,因為仍在進行中的第24週期,迄今的活動紀錄都顯得非常平靜。這個週期是自然的太陽活動的一個例子,是在過去的太陽活動主要紀錄中的例子之一。現代極大期有兩個高峰,一次在1950年代,另一次在1990年代。 (zh)
  • The Modern Maximum refers to the period of relatively high solar activity which began with Solar Cycle 15 in 1914. It reached a maximum in Cycle 19 during the late 1950s and may have ended with Cycle 23 in 2000 as Cycle 24 is recording, at best, very muted solar activity. This period is a natural example of solar variation, and one of many that are known from proxy records of past solar variability. The Modern Maximum reached a double peak once in the 1950s and again during the 1990s. (en)
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  • Modern Maximum (en)
  • Maximum moderne (fr)
  • 現代極大期 (zh)
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