另外，在探测地外行星大气层中的生命痕迹上，人类的成像技术正日渐得心应手。
What's more, our imaging technologies are getting better at detecting the signatures of life in the atmospheres that surround the potential homes of extraterrestrial life.
为了让此事有发生的可能，更多的数字将会减少，行星大气层将会被分析以寻找氧气的迹象。
For this to have a chance of happening, more Numbers will have to be crunched, and planetary atmospheres analysed for signs of oxygen.
在我们的有生之年，对于这些外太阳系行星大气层的研究，很有可能提供地球外存在生命的首个证据。
It is quite possible that, within our lifetimes, atmospheric studies of these extrasolar planets will provide the first evidence of biological life beyond Earth.
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