Lead researcher Pieter van Dokkum says there could be trillions of Earths orbiting the ubiquitous red dwarfs.

首席科学家皮特·范·多克姆表示，宇宙中可能有数以万亿计如地球这样的行星绕着广泛存在的红矮星。

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If red dwarfs can be compared to the red embers of a dying fire, then brown dwarfs would be the smoldering ash.

如果把红矮星比作一团熄灭的火焰的红色余烬的话，那么褐矮星就是闷烧灰烬。

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And they discovered that these galaxies were home to 20 times as many red dwarfs as there are in the Milky Way.

而且研究人员发现，这些星系的红矮星数量比银河多20倍。

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Looking for planets orbiting red dwarfs is easier because the stars are less massive.

ECONOMIST: Is there anybody out there?

For planets around other types of stars, such as red dwarfs, observation might take hundreds of hours.

FORBES: White Dwarfs May Hold The Key To Finding Alien Life

This would require a pair of red dwarfs to encounter the solar system and perform an elaborate gravitational dance with it for a few thousand years.

ECONOMIST: To the ends of the earth