right ascension of true sun

简明释义

真太阳赤经

英英释义

例句

1.The astronomer calculated the right ascension of true sun to determine its position in the sky.

天文学家计算了真太阳的视黄经以确定其在天空中的位置。

2.Understanding the right ascension of true sun is crucial for accurate solar navigation.

理解真太阳的视黄经对于准确的太阳导航至关重要。

3.The software uses the right ascension of true sun to provide real-time solar data.

该软件使用真太阳的视黄经提供实时太阳数据。

4.To set up the telescope, we need to know the right ascension of true sun at this time of year.

为了设置望远镜，我们需要知道这个季节的真太阳的视黄经。

5.The navigation system relies on the right ascension of true sun for precise location tracking.

导航系统依赖于真太阳的视黄经进行精确的位置跟踪。

作文

The concept of celestial navigation has fascinated humanity for centuries. Among the various astronomical terms, the phrase right ascension of true sun holds a significant place in understanding how we navigate our world using the stars. To grasp this term fully, one must first understand the basics of celestial coordinates and how they relate to our position on Earth.Right ascension is akin to longitude in the celestial sphere. It is measured in hours, minutes, and seconds, with the prime meridian of the sky being the vernal equinox. The right ascension of true sun specifically refers to the angle that the true sun makes with respect to this celestial reference point at a given time. This measurement is crucial for astronomers and navigators alike, as it allows them to pinpoint the sun's exact position in the sky at any moment.In practical terms, knowing the right ascension of true sun can help sailors and pilots determine their location when they are out of sight of land. For instance, by using a sextant to measure the angle of the sun above the horizon and combining this data with the right ascension, navigators can calculate their latitude and longitude, ensuring they stay on course.Moreover, the right ascension of true sun changes throughout the year due to the Earth's orbit around the sun. This variation is why we have seasons and why the sun appears to rise and set at different times depending on the time of year. Understanding this dynamic is essential for anyone interested in astronomy or navigation.Additionally, the concept of the right ascension of true sun extends beyond practical navigation. It also plays a role in understanding solar phenomena, such as eclipses and solar flares. By tracking the sun's right ascension, scientists can predict events that may affect satellite communications and other technologies that rely on solar activity.In conclusion, the right ascension of true sun is more than just a technical term; it is a vital component of celestial navigation and astronomy. By understanding this concept, we gain insights into both the practical aspects of navigation and the broader implications of our relationship with the cosmos. As we continue to explore the universe, the significance of the right ascension of true sun will only grow, reminding us of our place in the vast expanse of space.

天体导航的概念吸引了人类几个世纪以来的关注。在各种天文学术语中，短语太阳真赤经在理解我们如何利用星星导航这个世界方面占据了重要位置。要充分理解这个术语，首先必须了解天球坐标的基础知识以及它们与我们在地球上的位置之间的关系。赤经类似于天球上的经度。它以小时、分钟和秒为单位测量，天空的本初子午线是春分点。太阳真赤经特指在给定时间真太阳相对于这一天文参考点的角度。这一测量对于天文学家和导航员来说至关重要，因为它使他们能够准确定位太阳在天空中的确切位置。在实际应用中，知道太阳真赤经可以帮助水手和飞行员在看不到陆地时确定他们的位置。例如，通过使用六分仪测量太阳在地平线上方的角度，并将这些数据与赤经结合，导航员可以计算出他们的纬度和经度，从而确保他们保持航向。此外，太阳真赤经由于地球围绕太阳的轨道而在一年中变化。这种变化就是我们拥有季节的原因，也是太阳在不同时间升起和落下的原因。理解这一动态对于任何对天文学或导航感兴趣的人来说都是必不可少的。此外，太阳真赤经的概念不仅限于实用导航。它还在理解太阳现象（如日食和太阳耀斑）中发挥作用。通过跟踪太阳的赤经，科学家可以预测可能影响卫星通信和依赖太阳活动的其他技术的事件。总之，太阳真赤经不仅仅是一个技术术语；它是天体导航和天文学的重要组成部分。通过理解这一概念，我们获得了关于导航的实用方面和我们与宇宙关系的更广泛启示。随着我们继续探索宇宙，太阳真赤经的重要性只会增加，提醒我们在浩瀚的空间中找到自己的位置。