anomalistic year

简明释义

近点年

英英释义

例句

1.Astronomers often calculate events based on the anomalistic year to predict the positions of planets accurately.

天文学家通常根据异常年来计算事件，以准确预测行星的位置。

2.The length of an anomalistic year is about 365.25964 days, which is the time it takes for the Earth to return to the same point in its elliptical orbit around the Sun.

一个异常年的长度大约是365.25964天，这是地球在其椭圆轨道上返回到同一点所需的时间。

3.The concept of an anomalistic year is crucial for understanding the variations in Earth's distance from the Sun.

理解地球与太阳之间距离变化的概念对于理解异常年至关重要。

4.Climate models sometimes incorporate the anomalistic year to better predict seasonal changes.

气候模型有时会纳入异常年以更好地预测季节变化。

5.During an anomalistic year, the Earth reaches its perihelion, the closest point to the Sun.

在一个异常年中，地球达到了近日点，即离太阳最近的点。

作文

The concept of an anomalistic year is crucial for understanding the intricate movements of celestial bodies, particularly the Earth in relation to the Sun. An anomalistic year refers to the time it takes for the Earth to return to the same position in its elliptical orbit around the Sun. This period lasts about 365.25 days, which is slightly longer than the average calendar year. The difference arises because the Earth's orbit is not a perfect circle but an ellipse, causing variations in distance from the Sun throughout the year.Understanding the anomalistic year is essential for astronomers and scientists who study the dynamics of our solar system. The term is derived from the word 'anomaly', which signifies deviation from the norm. In the context of the anomalistic year, it emphasizes how the Earth's orbit deviates from a simple circular path, leading to variations in solar energy received at different times of the year.This variation affects not only the seasons but also has implications for climate patterns and ecological cycles. For instance, during perihelion, when the Earth is closest to the Sun, it experiences slightly warmer temperatures, while aphelion, the point where it is farthest, results in cooler conditions. These phenomena underscore the importance of the anomalistic year in understanding seasonal changes and climate variability.Moreover, the anomalistic year plays a significant role in navigation and timekeeping. Ancient civilizations relied on their observations of the stars and the Sun's position to create calendars that aligned with agricultural practices. The discrepancies introduced by the anomalistic year necessitated adjustments in their calendars to ensure that planting and harvesting occurred at the right times. In modern times, the implications of the anomalistic year extend beyond agriculture. With advancements in technology, we have developed precise instruments that can measure the Earth's position with remarkable accuracy. This precision allows for better predictions of weather patterns, satellite positioning, and even space exploration missions. Understanding the anomalistic year helps scientists predict when certain celestial events will occur, such as solar eclipses or planetary alignments, which can be critical for both scientific research and public interest.In conclusion, the anomalistic year is more than just a scientific term; it embodies the complexities of our planet's movement through space and its relationship with the Sun. By grasping the significance of the anomalistic year, we can appreciate the delicate balance of forces that govern our environment and influence our daily lives. As we continue to explore the cosmos, the understanding of such concepts will remain vital in our quest for knowledge about the universe and our place within it.

“异常年”这一概念对于理解天体，特别是地球与太阳之间复杂的运动至关重要。“异常年”指的是地球在围绕太阳的椭圆轨道上返回到相同位置所需的时间。这个周期大约为365.25天，略长于平均日历年。这个差异产生的原因是地球的轨道并不是一个完美的圆形，而是一个椭圆，导致一年中与太阳的距离有所变化。理解“异常年”对于研究我们太阳系动态的天文学家和科学家来说至关重要。该术语源自“异常”一词，表示偏离常规。在“异常年”的上下文中，它强调了地球的轨道如何偏离简单的圆形路径，从而导致一年中接收到的太阳能量的变化。这种变化不仅影响季节，而且对气候模式和生态循环也有影响。例如，在近日点（perihelion），地球离太阳最近时，经历的温度稍高，而在远日点（aphelion），即最远点时，则会导致较冷的条件。这些现象突显了“异常年”在理解季节变化和气候变异性方面的重要性。此外，“异常年”在导航和计时方面也发挥着重要作用。古代文明依靠对星星和太阳位置的观察来创建与农业实践相一致的日历。由“异常年”引入的差异使得他们的日历需要进行调整，以确保种植和收获在正确的时间进行。在现代，“异常年”的影响超越了农业。随着技术的进步，我们开发出能够以惊人准确度测量地球位置的精密仪器。这种精确性允许更好地预测天气模式、卫星定位甚至太空探索任务。理解“异常年”帮助科学家预测某些天文事件的发生时间，例如日食或行星对齐，这对科学研究和公众兴趣都至关重要。总之，“异常年”不仅仅是一个科学术语；它体现了我们星球在太空中的运动及其与太阳关系的复杂性。通过掌握“异常年”的重要性，我们可以欣赏支配我们环境并影响我们日常生活的力量之间的微妙平衡。随着我们继续探索宇宙，对这些概念的理解将始终在我们追求关于宇宙及其内在位置的知识中发挥至关重要的作用。