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52周是几年
更新时间: 2020-11-18 00:00:00  

52周是1年,1年指地球环绕太阳公转一次所需的约365个太阳日的周期,地球公转是指地球按一定轨道围绕太阳转动,像地球的自转具有其独特规律性一样,由于太阳引力场以及自转的作用,而导致的地球公转,

地球自转是指地球绕自转轴自西向东的转动,从北极点上空看呈逆时针旋转,从南极点上空看呈顺时针旋转。地球自转轴与黄道面成66.34度夹角,与赤道面垂直。

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