Now that the Sun is approaching the peak of its magnetic cycle, when solar storms - blasts of electrically charged magnetic clouds - are most likely to occur, no one can predict how it will behave.

现在，太阳正在接近其磁周期的顶峰，也就是太阳风暴最可能发生的时期，没有人能够预测到太阳未来的表现。太阳活动会持续低迷？

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The peak of Monte Cristo reddened by the burning sun, was seen against the azure sky.

基督山的山顶被火一样的太阳染成了血红色，衬托在蔚蓝色的天空上。

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Nasa has warned that a peak in the sun's magnetic energy cycle and the number of sun spots or flares around 2013 could generate huge radiation levels.

NASA（北美航天局）警告称，太阳磁能循环可能在2013年左右达到顶峰，大量的黑子和耀斑出现，将会导致辐射强度急剧增大。

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The northern lights have been particularly spectacular in 2013 as the sun is expected to reach the peak of its 11-year solar cycle later this year.

CNN: Northern lights dazzle Northern Hemisphere

Sunspot activity waxes and wanes on the sun in a 11-year cycle, and we are approaching the peak of sunspot activity, probably reaching it in 2013, according to Hesse.

FORBES: Huge Solar Flares Could Spell Catastrophe for Earth

The storm is part of the sun's normal 11-year cycle, which is supposed to reach a peak next year.

WSJ: Solar Flare: Sun Flare Leads to Solar Storm Reaching Earth