太阳位于银河系的猎户臂，距离银心约为半径的三分之二。
Our sun is on the Orion spiral arm, about two - third from the center.
一行行植物就像我们所在星系的星臂那样排列着，包括太阳所在的猎户臂、令人惊叹的人马臂，以及甚少谈及的 Norma 臂。
Plant rows were placed to represent arms of our Galaxy, including the Sun's Orion Arm, the impressiveSagittarius Arm, and the little discussed Norma Arm.
它跨度近240光年，位于猎户座旋臂里，离地球3,800光年远；而我们的太阳系也在银河系同样的旋臂中。
It is located 3, 800 light-years away from Earth, inside the Orion spur — the same partial spiral arm of the Milky way where our solar system is located. The nebula is nearly 240 light-years across.
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