1957年10月4日,世界上第一颗人造地球卫星“斯普特尼克1号”从前苏联拜科努尔发射场顺利升空,拉开了航天时代的序幕.它开辟了除陆地、海洋和大气层之外的人类第四个活动疆域.随后几十年,航天科技和卫星技术得到了空前发展,而地球 On October 4, 1957, the world’s first man-made earth satellite, “Sputnik 1,” was successfully launched from the Baikonur launch site of the former Soviet Union, opening the prelude to the space age. , The fourth largest human activity outside the oceans and the atmosphere, and in the ensuing decades space science and technology and satellite technology have enjoyed unprecedented growth while Earth