The first satellites placed in geostationary orbit were the synchronous communication(SYNCOM)satellites launched by NASA in 1963.
第一个放置在对地静止轨道的星是1963年美国暨太总署发射的同步传输星.
The first satellites placed in geostationary orbit were the synchronous communication(SYNCOM)satellites launched by NASA in 1963.
第一个放置在对地静止轨道的星是1963年美国暨太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) .
据北京制中心宣布,“嫦娥一号”绕月星于下午6:29分与运载火箭分入绕地轨道,且将绕地球七天。
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