航空卫星

The first satellites placed in geostationary orbit were the synchronous communication(SYNCOM)satellites launched by NASA in 1963.

第个放置在对地静止轨道的星是1963年美国航空暨太空总署发射的同步传输星.

The circumlunar satellite separated from the rocket at 6:29 pm and entered into Earth orbit, where it will travel for seven days, according to the Beijing Aerospace Control Center (BACC) .

据北京航空控制中心宣布，“嫦娥”月星6:29分与运载火箭分离并进入地轨道，且将地球七天。