他还说，既然在稠密的星簇里，近距离接触产生的机会比较高，由此我们可以期待着检测到更多的棕矮星。

Since there is a higher chance of such close encounters in dense star clusters, we might expect to detect more brown dwarfs there, he says.

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但是在接下来的几年内，天文学家期待着发现几十个在大小上大致类似于我们这颗行星的星外地球。

But within the next few years, astronomers expect to find dozens of alien earths that are roughly the size of our planet.

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