金星是太阳系唯一一个公传逆行的吗?

2025-03-16 20:54:14
推荐回答(2个)
回答1:

错。在太阳系中,所有的行星(包括矮行星和小行星)公转方向都相同。从北天极方向看,都是逆时针公转。金星也不例外。

在太阳系中,只有一些流星群和彗星的公转方向是顺时针的,是逆行公转的。如著名的哈雷彗星,逆行公转的。

哈雷彗星轨道

金星在逆时针绕太阳运动的同时顺时针自转,其自转的方向与太阳系内大多数的行星是相反的。

金星以224.65天绕太阳公转一周,而金星的自转周期是243天,是主要行星中自转最慢的。金星的恒星日比金星的一年还要长(243金星日相对于224.7地球日),但是金星的太阳日比恒星日为短,在金星表面的观测者每隔116.75天就会看见太阳出没一次,这意味着金星的太阳会从西边升起,然后在东边落下。

回答2:

太阳系内唯一逆向自转的大行星——金星[科学探索]金星,太阳系,月球,地球,火星,天文,美国国家航空航天局,伽利略·伽利莱,水星,人造卫星,东非大裂谷太阳系内唯一逆向自转的大行星——金星

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