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

    科普作家伊恩·奥尼尔自己天文博客Astroengine中一语双关地写道:“在银河系边缘生活严酷的。”

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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星系以及外层空间恒星现象

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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星系以及外层空间恒星现象

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