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。

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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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The extra-solar planet is one of a mere handful detected using a novel technique called microlensing.

BBC: NEWS | Science/Nature | Planet hunters find 'super-Earth'

If the new object were a captured alien, it could give astronomers their first good look at an extra-solar planet, or a brown dwarf if that is what it turns out to be.

ECONOMIST: X marks the spot

Lying only 10 light years away in the equatorial constellation of Eridanus, it was already known to harbor at least one extra-solar Jupiter-like planet, which orbits the star roughly every 7 years.

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