"母星"是个多义词,它可以指母星(小说),母星(麻园诗人演唱歌曲),母星(漫画《伊甸星原》及其衍生作品角色),母星(星体名称)。
然而,还有一颗绕着母星逆行的行星。
There is, however, a planet known to orbit backwards around its parent star.
大多数行星都是在与母星赤道一致的平面上公转。
Most planets orbit in a plane that corresponds to their parent star's equator.
同时,他们还需要更多的时间来观测那些离母星更远的外行星。
Also, it needs more time to detect exoplanets that orbit further away from their stars.
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