Of course, defined by the path of the Sun through planet Earth's sky, the ecliptic plane rides low during July nights in the northern hemisphere's summer skies.
当然，可由此从行星地球的天空中辨认太阳的运行轨迹，黄道平面在北半球夏季七月的天空中的位置很低。
The Earth's axis of rotation is tilted in relation to the ecliptic plane, an imaginary surface through Earth's orbit around the sun.
地球的自转轴与黄道面呈一定角度。黄道面是地球公转轨道所在的一个假想平面。
The idea was to take pictures of the night sky along what’s known as the ecliptic plane, the band in the sky where most of the other planets orbit, and see if anything moved.
这个想法是沿着所谓的黄道面拍摄夜空，这个地带是空中的这个范围中大部分其他的行星轨道，观察是否有东西移动。
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