It is impossible to look for life on another planet using earth - based telescopes.

使用放置在地球上的望远镜是无法观察到其他行星的生命的.

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With earth - based telescopes many stars remain undiscovered.

即使使用地球上的高倍望远镜,许多星球仍然无法被发现.

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They also emit powerful and ultra regular radio signals that are easily detectable with Earth - based dishes.

它们散发出的无线电信号强烈而且具有超级规律性,利用地球上的蝶形天线能够很容易地探测到.

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