all of us have seen a satellite orbiting the earth on tv, it is a common animation used in movies, films and commercials.
们大家都看到了电视卫星运动地球轨道上,它是一种常见的的动画电影,电影及广告中使用。
a collector on earth that was picking up power from a geostationary satellite orbiting at an altitude of 35,800km would need to be spread over hundreds of square metres.
接收35,800公里外的地球同步卫星传送的能源所需的地面收集器需覆盖数百平方米。
it's springtime for anti-satellite missiles — again — now that china has fired a missile into space and destroyed an aging weather satellite orbiting 500 miles above the earth.
反卫星导弹的春天又来了,这次,中国发射了一枚导弹,摧毁了在地球上方500英里轨道上的一颗老化的气象卫星。