天气预报 > 其他 > 黄赤交角变成90度地球将会怎样
黄赤交角变成90度地球将会怎样
更新时间: 2020-08-16 00:00:00  

1、黄赤交角变成90度时,地球的自转轴对着太阳,相当于把地球横着放在黄道平面上,太阳始终直射某个极点。

2、如果直射北极点,则总是北半球对着太阳,北半球永远是白天,南半球永远都是黑夜。

3、如果直射南极点,则总是南半球对着太阳,南半球永远是白天,北半球永远都是黑夜。

关键词: 交角 变成 地球 怎样

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