太阳辐射输出完成了十一年的周期,高峰期出现大量的太阳黑子。
Solar output goes through 11-year cycles, with high Numbers of sunspots seen at their peak.
导致冰河期形成的可能原因包括:大陆的位置,地球轨迹的变化,太阳辐射的输出,以及火山的作用。
Suggested causes of ice age periods include the positions of the continents, variations in the Earth's orbit, changes in the solar output, and Vulcanism.
导致冰河期形成的可能原因包括:大陆的位置,地球轨迹的变化,太阳辐射的输出,以及火山的作用。
Suggested causes of ice age periods include the positions of the continents, variations in the Earth's orbit, changes in the solar output, and Vulcanism.
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