Instead the IAU definition makes life more complicated for astronomers, he said, because the notion of whether an orbital neighborhood has been cleared remains hazy.
实际上IAU的定义对于天文学家来说，反而上事情更复杂化了，他认为，如何判断一条轨道。
Instead the IAU definition makes life more complicated for astronomers, he said, because the notion of whether an orbital neighborhood has been cleared remains hazy.
实际上IAU的定义对于天文学家来说，反而上事情更复杂化了，他认为，如何判断一条轨道。
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