My colleagues, comparing composition of chemical elements in different galactic stars actually discovered alien stars in our galaxy.

我的同事比较化学元素组成，在不同星系恒星中，确实发现了银河系中有外来恒星。

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A huge, orange-coloured sun balanced on the horizon, and three small, silver-white moons chased each other across a purple sky where alien stars glowed.

一个巨大的橘黄色的太阳悬挂在地平线上，三个小小的银白色月亮在紫色的布满不知名星星的天空中互相追逐。

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It orbits too far away from its star to support liquid water or life as we know it, but scientists predict there are other stars in the system that might be good candidates for alien life.

像我们知道的那样，由于它离它围绕运行的恒星太远以致于它没有形成液态水或维持生命的能力，但科学家们预测在这个星系里应该会有其它适合外星生命的候选恒星。

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To estimate the number of alien worlds, Dr. Cassan and his colleagues studied 100 million stars between 3, 000 and 25, 000 light-years from Earth with gravitational microlensing.

WSJ: Galaxy Hosts 100 Billion Planets, in New Estimate

Though occasionally, words like "spaceship, " "lights, " or "stars" stand out, the vocals are often indecipherable and are "meant to appear alien or foreign, " reports Lebron.

NPR: Twi The Humble Feather: 'Higher Than The End'