N the great circle on the celestial sphere containing the galactic plane 银道(圈)
The galactic center and anticenter are directly opposite one another on the galactic equator – the galactic plane projected onto the sky's dome or stellar sphere.
银心与反银心方向在银道上处于完全相对立的位置，银道即银道面与天球相交形成的大圆。
As seen from Earth, the moon crossed the galactic equator last night. When the moon exits Taurus to enter Gemini, the moon appears to cross the galactic equator going from south to north.
从地球上看，昨晚月球穿过了银道面，由金牛座运行到双子座前面，也可以看作是月球从银道面的南面穿到了北面。
This has to do with our Solar system that is almost at the Galactic Equator.
这与我们的太阳系几乎处在银河系的赤道有关。
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