英国男子拍到30万伏超能量闪电照片 夜如白昼
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英国男子在法国拉罗谢尔拍下的超能量闪电,夜空被劈成两半,瞬间夜如白昼
北京时间8月31日消息,据英国《每日邮报》报道,近日,一名英国男子在法国度假期间拍摄下一次超能量闪电的壮观照片。由于这次闪电释放出巨大的电能,夜空仿佛被劈成两半,瞬间夜如白昼。
英国人文斯-纳都佐来自赫特福德郡,今年夏天在法国拉罗谢尔附近一个小村庄的庄园度假。一天晚上,他在自家花园内喝着红酒消夏。突然,一道道闪电划过夜空,打破了夜晚的静谧。幸运的是,现年49岁文斯-纳都佐很快拿回了相机,记录下这一壮观的闪电景象。据悉,此次闪电的强度达到了惊人的30万伏。
文斯-纳都佐说:“仅仅是处于对它的敬畏,我不停地颤抖,然后我才意识到闪电离我是如此之近,也许这将是我拍摄的最后一张照片。”由于闪电能量巨大,瞬间光线强度非常强,文斯-纳都佐的照片中闪电主干部分显得有些模糊,实际上他拍摄照片时,闪电的亮度已经有所减弱。
闪电是云与云之间、云与地之间和云体内各部位之间的强烈放电。闪电起因一般被认为是云层内的各种微粒因为碰撞摩擦而积累电荷,当电荷的量达到一定的水平,等效于云层间或者云层与大地之间的电压达到或超过某个特定的值时,会因为局部电场强度达到或超过当时条件下空气的电击穿强度从而引起放电。
巨大的电流沿着一条传导气道从地面直向云涌去,产生出一道明亮夺目的闪光。一道闪电的长度可能只有数百米(最短的为100米),但最长可达数千米
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