打冰碟嘅DJ你見過未?

635983442377959815-USATSI-9287697_2165850_ver1.0 (1)呢個咁勁嘅DJ係邊個?咪又係我哋嘅大自然囉。

其實英國電訊報最近取得一段旋轉冰盤嘅罕見片段,片段係一月嘅時候喺俄羅斯鄂木斯克州拍到嘅。片段中,直徑達15米嘅巨型冰盤(Ice Disc)喺河流中慢慢旋轉,就有如被人放咗上舊式打碟機一樣。其實冰盤係常見嘅天然現象。冬天河流結冰嘅時候,因為河流外位水流較急,構成一種旋轉嘅拉扯力。呢股拉扯力會扯甩部分嘅冰面,仲會將佢轉嚟轉去;而當塊冰面不斷咁同周邊摩擦時就會慢慢被磨成圓形嘅冰盤喇。不過,有專家就話片段中咁大型嘅冰盤都算係少見。

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