超级月亮距离地球这么近,潮汐会造成什么效果

2025-03-15 11:42:21
推荐回答(1个)
回答1:

婵娟绕地廿七日,轨道偏心百分一。
圈圈皆过近地点,月月俱有大潮时。
远近之差极有限,超级月亮何难知?
劝君多醉清辉影,莫随陋媒追琐事。

理科生功力有限,七拼八凑写了首打油诗。大概解释一下:
月球公转周期27天,轨道偏心率为0.0167,诚然这个数字不能忽略,但其实也没有多大的效果。比如11月被各种炒作的超级月亮比平时大7%,结果一群人说月亮如何如何,但殊不知10月和12月的满月也比平时大了6%,可网络上就一片寂寂了。我实在不觉得是这1%的距离差导致的人类观感的不同吧?至少我这样有经验的爱好者,2012年5月5-6日夜眺望一夜春江海月直至黎明,也没看出那夜“超级月亮”和平时有什么不同,第二天看新闻时才知道该消息。
至于超级月亮距离地球近,那更是无稽之谈。近点月周期27.5466天,基本上月球没绕行地球一周就会经过一次近地点。同样平日里根本没有人知道月球何时过近远日点,到了媒体操作的超级月亮,一个多月过去余波尚在。
超级月亮并不罕见(至少一年一次,看你如何界定边界,放宽点一年两三次毫无问题),观赏性很差(根本就看不出来)。11月中旬,只要看是在追逐超级月亮的,可以肯定是新手小白,在小白们狂热的同时,爱好者圈子里要么不屑一顾要么在泼冷水。有段位的爱好者关注的是11月15-16日的月掩毕星团,这才是真正的几年一遇有观赏价值的天象。

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