An astronomer makes the case that the best place to search for habitable planets may be very close to White Dwarf stars.

一位天文学家提出了一种新想法，在靠近白矮星的地方找最寻适合生命居住的行星。

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In the near future, population is over-intensive and habitable and cultivable land become very limited. The sky and sea are seriously polluted. A square of green field or living space become a luxury.

不远的将来，人口过度密集，可居住与可耕作面积减少，天空与海洋严重污染，绿地与居住空间成为一种奢望。

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