Because the moon's body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth.
The satellite is currently in orbit after a successful separation and has sent communication signals which have been received by a ground team in Malindi, Kenya.
卫星在成功实施分离后正运行在预定轨道，并且已经向位于肯尼亚马林迪的一个地面小组发射了通讯信号。
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India launched a satellite into moon orbit in 2008, but had to abandon it nearly a year later after communication links snapped and scientists lost control of it.