扩大寻找外星生命的范围

Hunt for Alien Life to Expand its Scope

对太阳系外可能存在生命的研究正进入新的水平。系外行星搜寻者即将得到有望发现系外恒星附近类地行星的仪器。在某些情况下，他们甚至能粗略估计这类行星多大程度上适宜生命生存。

Researching the prospects for life beyond our solar system is moving to the next level Exoplanet hunters are getting instruments that promise to spot Earth-like planets around alien stars. In some cases, they may even yield crude estimates of how life-friendly such a planet may be.