Description: 在太阳系内，行星和其他天体大多在黄道面内运行。附近的行星际尘埃也集中在黄道面附近。太阳发出的一些光线会被黄道面上的行星际尘粒反射到地球上。大体上，这会在夜空中沿着黄道带––即夜空中靠近黄道的区域，产生一条微弱的发光带。实际上，只有在日出前不久的东边或日落后不久的西边、接近地平线的地方，而且只有在自然状态下黑暗的观测地点，肉眼才能看到这种辉光。这部分可见的辉光就是黄道光：一个弥散的辉光区域，形状像一个圆形的拉长三角形，从地平线沿着黄道伸展到近处。

Related Terms:

• 灰尘
• 黄道
• 黄道十二宫

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

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