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阿拉斯加十大冰河奇迹 冰河埋葬火山树林(图)(6)
2009-04-16 10:01:12 中华网论坛 发表评论
    

阿拉斯加十大冰河奇迹 冰河埋葬火山树林(图)

    6、冰河在红外线下显得很怪异

    冰是冷的,红外线是热的,那么为何还要在红外线下观察冰河呢?因为在红外线下能看到肉眼所看不到的许多冰河细节。这张1998年拍摄的红外线图片展现了二大冰河的汇合处位于左上方,右边是一个冰河湖泊。此湖泊中的冰山是灰黑色的,这是因为它们比水还冷。此图中的这二大冰河都不流动,实际上已经消退了。不过,它们看起来依旧很酷!



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