Quipped science writer Ian O'Neill on his astronomy blog Astroengine, "Life is grim on the galactic rim."

科普作家伊恩·奥尼尔在自己的天文博客Astroengine中一语双关地写道：“在银河系边缘，生活是严酷的。”

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Astronomy focuses on the planetary. galactic. and stellar phenomena occurring in outer space.

天文学专业主要研究星星和星系以及外层空间中恒星的现象。

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Astronomy focuses on the planetary. galactic. and stellar phenomena occurring in outer space.

天文学专业主要研究星星和星系以及外层空间中恒星的现象。

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