The bright horizontal line running the full length of the image is the galaxy's main disc - the plane in which the Sun and the Earth also reside.
贯穿整张图片的明亮水平线是银河系的主盘，太阳和地球就处于其中。
The bright horizontal line running the full length of the image is the galaxy's main disc - the plane in which the Sun and the Earth also reside.
贯穿整张图片的明亮水平线是银河系的主盘，太阳和地球就处于其中。
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