十大最美妙摄影:日食“珠子项链”(图)(6)

6、大型太阳耀斑
如图所示,这是2000年7月14日美国宇航局太阳过渡区与日冕探测器(Transition Region and Coronal Explorer)拍摄到的太阳活跃区域AR9077,此次产生的太阳耀斑引发了磁暴,并对人造卫星产生了破坏作用。该事件被人们称为“巴士底日事件”。
这次太阳耀斑是过去30年里第三大太阳风暴,也是自1989年以来最大的太阳辐射事件。图中类似丝绸环的结构表现的是磁力线。在太阳耀斑喷发之后,太阳过渡区与日冕探测器进行了拍摄,记录显示太阳耀斑所释放的极度紫外线光覆盖了太阳表面长23万公里、宽7.7万公里的区域,并导致太阳等离子区温度降低100万摄氏度。
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