地球是空的吗

2025-03-14 18:00:49
推荐回答(2个)
回答(1):

地球不是空心的,核心部分被分为外核和内核。外核是由铁、镍、硅等物质构成的熔融态或近于液态的物质组成。内核,则可能是固态铁。地核内部这些特殊情况,即使在实验室里也很难模拟,所以人们对它了解得还很少。地球内部从古登堡面起,一直到地球中心,称之为地核。地核的质量占整个地球质量的31. 5%,体积占整个地球体积的16. 2%。根据地震波的变化情况,发现地核也有外核、内核之别。内、外核的分界面,大约在5155千米处。因地震波的横波不能穿过外核,所以一般推测外核是由铁、镍、硅等物质构成的熔融态或近于液态的物质组成。液态外核会缓慢流动,故有人推测地球磁场的形成可能与它有关。由于纵波在内核存在,所以内核可能是固态的。关于内核的物质构成,学术界有不少争议,许多人认为,主要是由铁和镍组成。但究竟是何物,这一切都还有待于进一步探索、证明。此外,内外核也不是截然分开的。有的学者认为,在内外核之间,还存在一个不大不小的“过渡层”,深度在地下4980~5120公里之间。地核的密度很大,即使最坚硬的金刚石,在这里也会被压成黄油那样软。这里的温度可达4000~6000℃。

回答(2):

当然不是,地球就像鸡蛋一样,我们住在蛋壳上,地就是蛋壳,再深就是岩石层就像蛋白,再深就是地球心,里面是剧烈的核裂变啊!温度很高的,火山喷发就是它在作怪,在网上有介绍地球的视频

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