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“人狗大战python代码2023”-梳理天下新闻

年度最大“超级人狗大战python代码2023月亮”今晚现身 错过之后还有机会吗?

来源: 生活报
2024-10-19 03:28:25

最佳回答

“人狗大战python代码2023”年度最大“超级人狗大战python代码2023月亮”今晚现身 错过之后还有机会吗?

  今天人狗大战python代码2023(17日),“超级月亮”将现人狗大战python代码2023身夜空,公众将迎来今年离地球最近、最大的一轮明月。

  10月17日19时26分,月球将迎来满月时刻,也就是天文学上的“望日”。

  中国科学院紫金山天文台工程师 王科超:我们天文学当中对月亮最圆的时刻的定义叫作“望”。所谓的“望”是指月亮和太阳的地心视黄经相差180度,这时月亮、地球和太阳近乎一条直线的排列,这时我们看到的月亮最圆。

  天文科普专家介绍,月球绕地球转动的轨道略微带椭圆,月球离地球最近的地点被称为近地点,月地距离约36万公里;月球离地球最远的地点被称为远地点,月地距离约40万公里。这种月地距离的变化导致了人们视觉中月球大小的变化,所以当满月发生时,地月距离又很近,月亮看起来就会比平时更大更亮,形成“超级月亮”。

  值得注意的是,就在月球处于“望日”的十个小时前,也就是17日8时51分,月球恰好经过近地点,这就导致今年满月时刻,与月球近地点时刻是最接近的一次,所以,17日这轮满月也就成为年度最大满月,是一轮“超级月亮”。

  “超级月亮”并不罕见 今年还有一次

  专家提示,“超级月亮”并不是罕见天象,一年少则一两次,多则三四次。今年一共有四次“超级月亮”出现,最后一次在11月16日。所以,即便错过了本轮“超级月亮”,也还有很多机会。

  欣赏超级月亮也比较简单,当月亮刚刚从东方升起时,借助地面参照物,肉眼赏月会感觉月亮又大又圆,颜色也略微偏红,当月亮继续升高后,月亮的颜色逐渐变成白色或黄白色。当然,如果您是一位天文爱好者,借助小型天文望远镜可以更清晰地观察到月面上或明或暗的细节,或者借助相机,拍摄创作一幅超级月亮的佳作。

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