《科学新发现：我们的大气层》在线观看和下载

剧情内容介绍

科学新发现：我们的大气层原名：Naked Science: Our Atmosphere，

We couldn't survive without it - and in this episode, Naked Science reveals the scientific marvel of the Earth's unique and complex atmosphere. A precariously thin but vital blanket of air, see how a chance interplanetary collision and a remarkable plant mutation created the only planet in the solar ****** with an atmosphere rich in oxygen - the potent gas that powers our plane...

发布于2008年。