nodical month

简明释义

交点月

英英释义

A nodical month, also known as a lunation or synodic month, is the time it takes for the Moon to complete one full cycle of phases, from new moon to new moon, which is approximately 29.53 days.

一个节点月,也称为朔望月或合朔月,是指月球完成一个完整的相位循环,从新月到下一个新月所需的时间,大约为29.53天。

例句

1.Many cultures celebrate festivals that align with the nodical month of the moon.

许多文化庆祝与月亮的节点月相符的节日。

2.The lunar calendar is based on the concept of a nodical month, which lasts approximately 29.53 days.

农历是基于节点月的概念,大约持续29.53天。

3.In astrology, the nodical month can influence the positioning of celestial bodies.

在占星学中,节点月可能会影响天体的位置。

4.The nodical month is important for calculating the best fishing times.

节点月对于计算最佳捕鱼时间很重要。

5.Farmers often plan their planting schedules according to the nodical month to optimize crop growth.

农民通常根据节点月来规划种植时间,以优化作物生长。

作文

The concept of a nodical month is often overlooked in discussions about timekeeping and astronomy. A nodical month refers specifically to the period it takes for the Moon to return to the same position relative to the nodes of its orbit around the Earth. These nodes are the points where the Moon's orbit intersects the plane of the Earth's orbit around the Sun, known as the ecliptic. The average duration of a nodical month is approximately 27.2 days, which is slightly shorter than the more commonly recognized synodic month, which lasts about 29.5 days.Understanding the nodical month is essential for astronomers and those interested in lunar cycles because it plays a crucial role in predicting eclipses. Eclipses occur when the Sun, Earth, and Moon align at or near these nodes. For instance, a solar eclipse will only happen when the New Moon coincides with one of these nodes, while a lunar eclipse occurs during a Full Moon at the nodes. This alignment is why eclipses do not happen every month; they require specific timing that aligns with the nodical month.In addition to its astronomical significance, the nodical month has cultural implications as well. Many ancient civilizations observed lunar cycles and built their calendars around these celestial events. The understanding of the Moon's phases and its relationship to the Earth and Sun was vital for agricultural societies, as it influenced planting and harvesting times. For example, farmers would often plant crops based on the lunar calendar, believing that certain phases of the Moon would yield better growth.Moreover, the nodical month can also be seen in various folklore and traditions that revolve around the Moon. Different cultures have myths related to the Moon's cycles, often attributing various meanings to each phase. For instance, the new moon is frequently associated with new beginnings, while the full moon is seen as a time of completion and fulfillment. These beliefs highlight the deep connection humans have with the lunar cycle and how the nodical month influences our lives, even in modern times.In conclusion, the nodical month is a fascinating aspect of lunar cycles that deserves more attention. Its role in predicting eclipses, influencing agricultural practices, and shaping cultural beliefs demonstrates the significance of this astronomical phenomenon. As we continue to study the cosmos, understanding concepts like the nodical month can enhance our appreciation for the intricate relationships between celestial bodies and the impact they have on life on Earth.

“节点月”这个概念在时间计算和天文学的讨论中常常被忽视。“节点月”特指月球相对于其绕地球轨道的节点返回到同一位置所需的时间。这些节点是月球轨道与地球绕太阳的轨道平面(称为黄道)相交的点。一个“节点月”的平均持续时间大约为27.2天,略短于更常见的合月,即大约29.5天。理解“节点月”对天文学家和对月球周期感兴趣的人至关重要,因为它在预测日食和月食中发挥着关键作用。日食发生在太阳、地球和月球在这些节点附近对齐时。例如,只有当新月与这些节点重合时,才会发生日食,而在节点上发生满月时则会出现月食。这种对齐就是为什么每个月不会发生日食的原因;它们需要与“节点月”对齐的特定时机。除了天文意义,“节点月”也具有文化意义。许多古代文明观察到月球周期,并围绕这些天文事件建立了他们的日历。对月亮的相位及其与地球和太阳的关系的理解对农业社会至关重要,因为这影响了种植和收获的时间。例如,农民常常根据农历种植作物,认为月亮的某些相位会促进更好的生长。此外,“节点月”还可以在围绕月亮的各种民间传说和传统中看到。不同文化有与月亮周期相关的神话,通常将各种意义归因于每个相位。例如,新月常常与新开始相关联,而满月则被视为完成和实现的时刻。这些信仰突显了人类与月球周期之间的深厚联系,以及“节点月”如何在现代生活中影响我们。总之,“节点月”是一个引人入胜的月球周期方面,值得更多关注。它在预测日食、影响农业实践和塑造文化信仰中的作用展示了这一天文现象的重要性。随着我们继续研究宇宙,理解像“节点月”这样的概念可以增强我们对天体之间复杂关系的欣赏,以及它们对地球生命的影响。

相关单词

month

month详解:怎么读、什么意思、用法