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我要为你造极光 亲爱的 - 站长搜索
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我要为你造极光 亲爱的

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2015-04-09 14:30:06 转载来源: 网络整理/侵权必删

之前曾有报道介绍过一位艺术家用 LED 灯创造的人造极光,虽然赏心悦目,但那毕竟是假的。科学家野心勃勃,竟然打算要造出真的极光!极光是由来自地球磁层或太阳的高能带电粒子流,使高层大气分子或原子激发或电离而产生

之前曾有报道介绍过一位艺术家用 LED 灯创造的人造极光,虽然赏心悦目,但那毕竟是假的。科学家野心勃勃,竟然打算要造出真的极光!

极光是由来自地球磁层或太阳的高能带电粒子流,使高层大气分子或原子激发或电离而产生。它的美丽和壮观一直被人们视为是大自然难以复制的伟力之一,没想到科学家竟然真的想到了办法。

简单来说,科学家期望能够在太空中建造一座粒子加速器,通过将高能电子和离子洒向大气来制造极光。当这些粒子循着磁场螺旋下坠,打在上层大气后,它就可以激发或电离氮和氧,制造出绚丽的极光效果来。

这种设备现在当然不存在,但斯坦福大学的科学家已经开始了太空粒子加速器“COMPASS”的设计。尽管要建造太空粒子加速器人们还要面临许多难题,但它一旦建成,将能够让科学家更好地去研究粒子在地球磁场中的行为。

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