They needed to change their flight path to take them around the moon and back toward Earth.
VOA: special.2009.07.22
The moon god has to come up at night and hang around for a while And go back down.
月神每晚都得出来,并且在天空悬一会儿,然后才能回去。
Well, there's Half Moon Bay just around the other side of the Headlands.
海角的另一边是半月湾。
Two hours after Apollo Thirteen went around the moon, the astronauts fired the rocket for five minutes.
VOA: special.2009.07.22
This sent the spacecraft around the moon instead of down to it.
VOA: special.2009.07.22
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