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1997年12月8日下午3时,白雪皑皑、银妆素裹的晋西北高原骤燃腾起一条火龙,我国自行研制的“长二丙”改进型运载火箭由太原卫星发射中心托着两颗铱星,顺利升入太空。 铱星系统是美国摩托罗拉公司设计的全球卫星个人通信系统,原由77颗卫星组成,因为正好与铱原子的外围电子数目相等,故由此而得名。后经论证可以减少11颗,但名称不变仍叫“铱”。 在“铱”卫星通信系统中,66颗卫星都是在距
At 3:00 p.m. on December 8, 1997, a fire-breathing dragon started to fire in the snow-capped and silver-filled areas of northwestern Shanxi Plateau. China’s self-developed “Chang-Er-Bing” improved launch vehicle was supported by two Taiyuan satellite launch centers Iridium, successfully ascend to space. Iridium satellite system is a global satellite personal communication system designed by Motorola of the United States. It was originally composed of 77 satellites, hence its name because of the equal number of peripheral electrons of the iridium atom. After the demonstration can reduce the 11, but the name is still called “iridium.” In the “iridium” satellite communications system, 66 satellites are in range