The planet is one of 119 known extra-solar planets, objects that orbit stars other than the sun.

这是119颗太阳系外行星中的一颗。这些行星围绕除太阳外的其他星体运行。

《柯林斯英汉双解大词典》

Today, every few weeks brings news of a new Jupiter-sized extra-solar planet being discovered, the latest being about 15 light years away orbiting around the star Gliese 876.

现在，每隔几个星期就会在太阳系外发现一颗木星大小级别的行星，最近的一颗行星在距离地球15光年的Gliese 876轨道上。

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So, if an extra planet did get cast out of the solar system, at least it has plenty of company.

所以，如果这个特别的行星的确被抛出了太阳系，至少他有很多的同伴。

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So, if an extra planet did get cast out of the solar system, at least it has plenty of company.

所以，如果这个特别的行星的确被抛出了太阳系，至少他有很多的同伴。

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