#最近几天我国北方有机会看到极光#【#北方多省区或现红绿复合极光#】记者从国家空间天气监测预警中心了解到,继11月5日凌晨,太阳连续爆发两次耀斑后,北京时间11月5日19时19分以及11月6日的6时07分,太阳再次耀斑两连爆,并伴随较为明显的日冕物质抛射。受其影响,最近几天在我国北方有机会看到极光,黑龙江漠河、新疆、内蒙古等地甚至有机会出现红绿复合极光。国家空间天气监测预警中心空间天气预报台台长郭建广:极光主要来自太阳光的粒子进入到大气层,跟不同高度的大气分子碰撞激发产生的,其实不同颜色的极光来自不同高度,两三百公里高度,接近四百公里高度的主要就是红色极光,比较低的高度产生绿色极光。在咱们国家看到的极光实际上离咱们都比较远,一般情况下咱们看到的都是红色的极光。当特别大的地磁暴,比如去年5月份,漠河的高纬地区就能看到红绿混合的极光。(央视新闻)
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