National Geographic - Naked Science: Earths Core 探索地核的秘密 DVD
Code : C00228
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Price : | MYR29.90 SGD14.20 USD11.66 RMB80.73 MYR23.92 / SGD11.36 / USD9.33 / RMB64.58 |
Weight : | 100 g |
Genre : | Science / Weapon / Mystery , |
Subtitle : | Chinese , |
Language : | English , |
Video Format : | NTSC , |
Discs : | 1 |
Region Code : | ALL , |
Model : | DVD , |
There is a place on Earth that we have never seen.It is a place of unimaginable heat and pressure, where no life could survive. Yet without it, we would perish for it holds the key to our precarious existence on this planet. 2000 miles below the Earth's surface, there is a vast ocean of molten iron. The spinning outer core of the Earth generates a protective magnetic shield around the planet, defending life from lethal space radiation. But now there is starling datd that it could be about to stop defending us. Naked Science is taking you on a journey to the center of the Earth. 地球上有一个地方我们从未去过,那里有着不可思议的热量和压力,而且根本不可能有任何生物存在。但是没有它,我们将不可能生存在这个世界上,应为我们不能够活在一个并不稳定的宇宙中。。。。。。。
在地球表面2000英里之下,那儿有一个巨大的热火炉,这就是地核。而地球的外核是一层具有磁性的防护罩,它保护地球,使地球不被宇宙的射线所伤,并能围绕着行星转动。但是令人吃惊的是,现在有一组数据表明,它将来有可能没有能力保护我们了! 本片将带我们去游览地球的中心,探索它那不为人知的秘密。